diff --git a/appveyor.yml b/appveyor.yml
index 0f25904..b4ad735 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 1.1.0-{build}
+version: 1.1.1-{build}
 build:
   verbosity: minimal
 configuration:
diff --git a/src/StevenVolckaert.Core/Globalization/CultureManager.cs b/src/StevenVolckaert.Core/Globalization/CultureManager.cs
index a94d4dd..aed6af6 100644
--- a/src/StevenVolckaert.Core/Globalization/CultureManager.cs
+++ b/src/StevenVolckaert.Core/Globalization/CultureManager.cs
@@ -9,7 +9,7 @@
     /// <summary>
     ///     Manages cultures of an application.
     /// </summary>
-    public class CultureManager
+    public class CultureManager : ICultureManager
     {
         private string _currentCultureName;
         /// <summary>
@@ -147,16 +147,19 @@ public CultureManager(string defaultCultureName, params string[] supportedCultur
                 : _supportedCultures.First().Key;
 
             _currentCultureName = SetDefaultCulture();
-            _supportedCultures = _supportedCultures.OrderBy(x => x.Key).ToDictionary(x => x.Key, x => x.Value);
+            _supportedCultures =
+                _supportedCultures.OrderBy(x => x.Key).ToDictionary(x => x.Key, x => x.Value);
         }
 
         /// <summary>
-        ///     Returns an instance of the <see cref="CultureInfo"/> class based on the culture specified by name,
-        ///     or <c>null</c> if the culture is not supported by the current operating system.
+        ///     Returns an instance of the <see cref="CultureInfo"/> class based on the culture specified by
+        ///     name, or <c>null</c> if the culture is not supported by the current operating system.
         /// </summary>
         /// <param name="cultureName">The name of a culture.</param>
-        /// <exception cref="ArgumentNullException"><paramref name="cultureName"/> is <c>null</c>.</exception>
-        public static CultureInfo GetCultureInfo(string cultureName)
+        /// <exception cref="ArgumentNullException">
+        ///     <paramref name="cultureName"/> is <c>null</c>.
+        /// </exception>
+        public CultureInfo GetCultureInfo(string cultureName)
         {
             try
             {
@@ -165,7 +168,11 @@ public static CultureInfo GetCultureInfo(string cultureName)
             catch (ArgumentNullException)
             {
                 Debug.WriteLine(
-                    message: string.Format(CultureInfo.CurrentCulture, Resources.ValueNull, nameof(cultureName)),
+                    message: string.Format(
+                        CultureInfo.CurrentCulture,
+                        Resources.ValueNull,
+                        nameof(cultureName)
+                    ),
                     callerMemberName: nameof(GetCultureInfo)
                 );
                 return null;
@@ -177,7 +184,11 @@ public static CultureInfo GetCultureInfo(string cultureName)
 #endif
             {
                 Debug.WriteLine(
-                    message: string.Format(CultureInfo.CurrentCulture, Resources.IllegalCultureName, cultureName),
+                    message: string.Format(
+                        CultureInfo.CurrentCulture,
+                        Resources.IllegalCultureName,
+                        cultureName
+                    ),
                     callerMemberName: nameof(GetCultureInfo)
                 );
                 return null;
@@ -187,9 +198,13 @@ public static CultureInfo GetCultureInfo(string cultureName)
         /// <summary>
         ///     Convert a given culture name to the name of it's associated neutral culture.
         /// </summary>
-        /// <param name="cultureName">The name of the culture, representing a specific or neutral culture.</param>
-        /// <returns>The name of the neutral culture, or <c>null</c> if the culture is not supported.</returns>
-        public static string GetNeutralCultureName(string cultureName)
+        /// <param name="cultureName">
+        ///     The name of the culture, representing a specific or neutral culture.
+        /// </param>
+        /// <returns>
+        ///     The name of the neutral culture, or <c>null</c> if the culture is not supported.
+        /// </returns>
+        public string GetNeutralCultureName(string cultureName)
         {
             if (cultureName.IsNullOrWhiteSpace())
                 return null;
@@ -209,7 +224,9 @@ public static string GetNeutralCultureName(string cultureName)
         ///     Returns a value that indicates whether a given culture, or its associated neutral culture,
         ///     is supported by this culture manager.
         /// </summary>
-        /// <param name="cultureName">The name of the culture, representing a specific or neutral culture.</param>
+        /// <param name="cultureName">
+        ///     The name of the culture, representing a specific or neutral culture.
+        /// </param>
         public bool IsCultureSupported(string cultureName)
         {
             if (IsSpecificCultureSupported(cultureName))
@@ -248,11 +265,13 @@ public bool IsCultureSelected(string cultureName)
         ///     Sets the application's current culture.
         ///     If the given culture is not supported, the manager's default culture is selected.
         ///     <para>
-        ///     If a given specific culture is not supported, its associated neutral culture is selected
-        ///     (if it exists).
+        ///         If a given specific culture is not supported, its associated neutral culture is selected
+        ///         (if it exists).
         ///     </para>
         /// </summary>
-        /// <param name="cultureName">The name of the culture, representing a specific or neutral culture.</param>
+        /// <param name="cultureName">
+        ///     The name of the culture, representing a specific or neutral culture.
+        /// </param>
         /// <returns>The name of the manager's culture when the operation finishes.</returns>
         /// <exception cref="ArgumentException">
         ///     <paramref name="cultureName"/> is <c>null</c>, empty, or white space.
@@ -275,7 +294,9 @@ public string SetCulture(string cultureName)
         /// </summary>
         /// <param name="cultureNames">An array that contains zero or more culture names.</param>
         /// <returns>The name of the manager's culture when the operation finishes.</returns>
-        /// <exception cref="ArgumentNullException"><paramref name="cultureNames"/> is <c>null</c>.</exception>
+        /// <exception cref="ArgumentNullException">
+        ///     <paramref name="cultureNames"/> is <c>null</c>.
+        /// </exception>
         public string SetCulture(params string[] cultureNames)
         {
             if (cultureNames == null)
diff --git a/src/StevenVolckaert.Core/Globalization/ICultureManager.cs b/src/StevenVolckaert.Core/Globalization/ICultureManager.cs
new file mode 100644
index 0000000..6867de9
--- /dev/null
+++ b/src/StevenVolckaert.Core/Globalization/ICultureManager.cs
@@ -0,0 +1,118 @@
+namespace StevenVolckaert.Globalization
+{
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+
+    /// <summary>
+    ///     Manages cultures of an application.
+    /// </summary>
+    public interface ICultureManager
+    {
+        /// <summary>
+        ///     Gets the manager's current culture.
+        /// </summary>
+        CultureInfo CurrentCulture { get; }
+        /// <summary>
+        ///     Gets or sets the name of the current culture in the format
+        ///     "&lt;languagecode2&gt;-&lt;country/regioncode2&gt;".
+        /// </summary>
+        /// <returns>
+        ///     The current culture name in the format "&lt;languagecode2&gt;-&lt;country/regioncode2&gt;",
+        ///     where "&lt;languagecode2&gt;" is a lowercase two-letter code derived from ISO 639-1
+        ///     and "&lt;country/regioncode2&gt;" is an uppercase two-letter code derived from ISO 3166.
+        ///</returns>
+        string CurrentCultureName { get; set; }
+        /// <summary>
+        ///     Gets the name of the manager's default culture.
+        /// </summary>
+        string DefaultCultureName { get; }
+        /// <summary>
+        ///     Gets a dictionary of cultures that are supported by this culture manager.
+        /// </summary>
+        Dictionary<string, CultureInfo> SupportedCultures { get; }
+        /// <summary>
+        ///     Occurs when the manager's culture has changed.
+        /// </summary>
+        event EventHandler<CurrentCultureChangedEventArgs> CurrentCultureChanged;
+        /// <summary>
+        ///     Returns an instance of the <see cref="CultureInfo"/> class based on the culture specified by
+        ///     name, or <c>null</c> if the culture is not supported by the current operating system.
+        /// </summary>
+        /// <param name="cultureName">The name of a culture.</param>
+        /// <exception cref="ArgumentNullException">
+        ///     <paramref name="cultureName"/> is <c>null</c>.
+        /// </exception>
+        CultureInfo GetCultureInfo(string cultureName);
+        /// <summary>
+        ///     Convert a given culture name to the name of it's associated neutral culture.
+        /// </summary>
+        /// <param name="cultureName">
+        ///     The name of the culture, representing a specific or neutral culture.
+        /// </param>
+        /// <returns>
+        ///     The name of the neutral culture, or <c>null</c> if the culture is not supported.
+        /// </returns>
+        string GetNeutralCultureName(string cultureName);
+        /// <summary>
+        ///     Returns a value that indicates whether a given culture, or it's associated neutral culture,
+        ///     is currently selected.
+        /// </summary>
+        /// <param name="cultureName">The name of the culture.</param>
+        bool IsCultureSelected(string cultureName);
+        /// <summary>
+        ///     Returns a value that indicates whether a given culture, or its associated neutral culture,
+        ///     is supported by this culture manager.
+        /// </summary>
+        /// <param name="cultureName">
+        ///     The name of the culture, representing a specific or neutral culture.
+        /// </param>
+        bool IsCultureSupported(string cultureName);
+        /// <summary>
+        ///     Returns a value that indicates whether a given specific culture is supported
+        ///     by this culture manager.
+        /// </summary>
+        /// <param name="cultureName">The name of the culture.</param>
+        /// <returns><c>true</c> if the culture is supported, <c>false</c> otherwise.</returns>
+        bool IsSpecificCultureSupported(string cultureName);
+        /// <summary>
+        ///     Sets the application's current culture, given an array of culture names.
+        ///     The manager selects the first culture that is supported, or the default culture
+        ///     if none of the specified cultures are supported.
+        /// </summary>
+        /// <param name="cultureNames">An array that contains zero or more culture names.</param>
+        /// <returns>The name of the manager's culture when the operation finishes.</returns>
+        /// <exception cref="ArgumentNullException">
+        ///     <paramref name="cultureNames"/> is <c>null</c>.
+        /// </exception>
+        string SetCulture(params string[] cultureNames);
+        /// <summary>
+        ///     Sets the application's current culture.
+        ///     If the given culture is not supported, the manager's default culture is selected.
+        ///     <para>
+        ///         If a given specific culture is not supported, its associated neutral culture is selected
+        ///         (if it exists).
+        ///     </para>
+        /// </summary>
+        /// <param name="cultureName">
+        ///     The name of the culture, representing a specific or neutral culture.
+        /// </param>
+        /// <returns>The name of the manager's culture when the operation finishes.</returns>
+        /// <exception cref="ArgumentException">
+        ///     <paramref name="cultureName"/> is <c>null</c>, empty, or white space.
+        /// </exception>
+        string SetCulture(string cultureName);
+        /// <summary>
+        ///     Sets the application's current culture to the manager's default culture.
+        /// </summary>
+        /// <returns>The name of the manager's culture when the operation finishes.</returns>
+        string SetDefaultCulture();
+        /// <summary>
+        ///     Sets the application's current culture to a specific culture.
+        ///     If the given culture is not supported, the manager's default culture is selected.
+        /// </summary>
+        /// <param name="cultureName">The name of the culture.</param>
+        /// <returns>The name of the manager's culture when the operation finishes.</returns>
+        string SetSpecificCulture(string cultureName);
+    }
+}
diff --git a/src/StevenVolckaert.Core/IEnumerableExtensions.cs b/src/StevenVolckaert.Core/IEnumerableExtensions.cs
index 31dfb48..4b83f37 100644
--- a/src/StevenVolckaert.Core/IEnumerableExtensions.cs
+++ b/src/StevenVolckaert.Core/IEnumerableExtensions.cs
@@ -82,24 +82,6 @@ public static bool IsEmpty<TSource>(this IEnumerable<TSource> source)
             return !source.Any();
         }
 
-        /// <summary>
-        ///     Determines whether a sequence contains no elements.
-        /// </summary>
-        /// <typeparam name="TSource">The type of the elements of <paramref name="source"/>.</typeparam>
-        /// <param name="source">The <see cref="IEnumerable{T}"/> instance to check for emptiness. </param>
-        /// <returns>
-        ///     <c>true</c> if the source sequence contains no elements; otherwise, <c>false</c>.
-        /// </returns>
-        /// <exception cref="ArgumentNullException"><paramref name="source"/> is <c>null</c>.</exception>
-        [Obsolete("Use of this method is deprecated. Use IEnumerable<T>.IsEmpty<T>() instead.")]
-        public static bool Empty<TSource>(this IEnumerable<TSource> source)
-        {
-            if (source == null)
-                throw new ArgumentNullException(nameof(source));
-
-            return !source.Any();
-        }
-
         /// <summary>
         ///     Determines whether none of the elements of a sequence satisfies a condition.
         /// </summary>
diff --git a/src/StevenVolckaert.Core/README.md b/src/StevenVolckaert.Core/README.md
index 29867fd..ad0960f 100644
--- a/src/StevenVolckaert.Core/README.md
+++ b/src/StevenVolckaert.Core/README.md
@@ -6,7 +6,10 @@ developers with writing less code that's easier to read.
 The core assembly, named `StevenVolckaert.Core`, contains commonly used functions extending types defined in
 the `System` namespace.
 
-`StevenVolckaert.Core` targets the [.NET Standard Library][1] version 1.6.
+`StevenVolckaert.Core` targets [.NETStandard 1.5][1] and .NETFramework 4.5.2.
 
+## External links
+
+* [.NET Standard Library][1]
 
 [1]: https://docs.microsoft.com/en-us/dotnet/articles/standard/library
diff --git a/src/StevenVolckaert.Core/Resources.Designer.cs b/src/StevenVolckaert.Core/Resources.Designer.cs
index 79c22e2..6822369 100644
--- a/src/StevenVolckaert.Core/Resources.Designer.cs
+++ b/src/StevenVolckaert.Core/Resources.Designer.cs
@@ -14,12 +14,13 @@ namespace StevenVolckaert {
     
     
     /// <summary>
-    ///    A strongly-typed resource class, for looking up localized strings, etc.
+    ///   A strongly-typed resource class, for looking up localized strings, etc.
     /// </summary>
     // This class was auto-generated by the StronglyTypedResourceBuilder
     // class via a tool like ResGen or Visual Studio.
     // To add or remove a member, edit your .ResX file then rerun ResGen
     // with the /str option, or rebuild your VS project.
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "15.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
     public class Resources {
@@ -28,17 +29,18 @@ public class Resources {
         
         private static global::System.Globalization.CultureInfo resourceCulture;
         
+        [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
         internal Resources() {
         }
         
         /// <summary>
-        ///    Returns the cached ResourceManager instance used by this class.
+        ///   Returns the cached ResourceManager instance used by this class.
         /// </summary>
         [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
         public static global::System.Resources.ResourceManager ResourceManager {
             get {
                 if (object.ReferenceEquals(resourceMan, null)) {
-                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("StevenVolckaert.Core.Resources", typeof(Resources).GetTypeInfo().Assembly);
+                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("StevenVolckaert.Resources", typeof(Resources).GetTypeInfo().Assembly);
                     resourceMan = temp;
                 }
                 return resourceMan;
@@ -46,8 +48,8 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Overrides the current thread's CurrentUICulture property for all
-        ///    resource lookups using this strongly typed resource class.
+        ///   Overrides the current thread's CurrentUICulture property for all
+        ///   resource lookups using this strongly typed resource class.
         /// </summary>
         [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
         public static global::System.Globalization.CultureInfo Culture {
@@ -60,7 +62,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to day.
+        ///   Looks up a localized string similar to day.
         /// </summary>
         public static string Day {
             get {
@@ -69,7 +71,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to days.
+        ///   Looks up a localized string similar to days.
         /// </summary>
         public static string Days {
             get {
@@ -78,7 +80,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to [{0}] Exception in {1}: {2}.
+        ///   Looks up a localized string similar to [{0}] Exception in {1}: {2}.
         /// </summary>
         public static string DebugExceptionMessageFormat {
             get {
@@ -87,7 +89,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to [{0}] {1}: {2}.
+        ///   Looks up a localized string similar to [{0}] {1}: {2}.
         /// </summary>
         public static string DebugMessageFormat {
             get {
@@ -96,7 +98,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to Encountered an exception of type &apos;{0}&apos;..
+        ///   Looks up a localized string similar to Encountered an exception of type &apos;{0}&apos;..
         /// </summary>
         public static string EncounteredExceptionOfType {
             get {
@@ -105,7 +107,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to File &apos;{0}&apos; not found..
+        ///   Looks up a localized string similar to File &apos;{0}&apos; not found..
         /// </summary>
         public static string FileNotFound {
             get {
@@ -114,7 +116,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to hour.
+        ///   Looks up a localized string similar to hour.
         /// </summary>
         public static string Hour {
             get {
@@ -123,7 +125,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to hours.
+        ///   Looks up a localized string similar to hours.
         /// </summary>
         public static string Hours {
             get {
@@ -132,7 +134,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to &apos;{0}&apos; is not a valid culture name..
+        ///   Looks up a localized string similar to &apos;{0}&apos; is not a valid culture name..
         /// </summary>
         public static string IllegalCultureName {
             get {
@@ -141,7 +143,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to Illegal enum value &apos;{0}&apos;..
+        ///   Looks up a localized string similar to Illegal enum value &apos;{0}&apos;..
         /// </summary>
         public static string IllegalEnumValue {
             get {
@@ -150,7 +152,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to Illegal target type &apos;{0}&apos;..
+        ///   Looks up a localized string similar to Illegal target type &apos;{0}&apos;..
         /// </summary>
         public static string IllegalTargetType {
             get {
@@ -159,7 +161,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to Illegal type &apos;{0}&apos;. Expected type &apos;{1}&apos;..
+        ///   Looks up a localized string similar to Illegal type &apos;{0}&apos;. Expected type &apos;{1}&apos;..
         /// </summary>
         public static string IllegalType {
             get {
@@ -168,7 +170,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to Illegal value &apos;{0}&apos;..
+        ///   Looks up a localized string similar to Illegal value &apos;{0}&apos;..
         /// </summary>
         public static string IllegalValue {
             get {
@@ -177,7 +179,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to Key &apos;{0}&apos; not found..
+        ///   Looks up a localized string similar to Key &apos;{0}&apos; not found..
         /// </summary>
         public static string KeyNotFound {
             get {
@@ -186,7 +188,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to less than a minute.
+        ///   Looks up a localized string similar to less than a minute.
         /// </summary>
         public static string LessThanOneMinute {
             get {
@@ -195,7 +197,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to minute.
+        ///   Looks up a localized string similar to minute.
         /// </summary>
         public static string Minute {
             get {
@@ -204,7 +206,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to minutes.
+        ///   Looks up a localized string similar to minutes.
         /// </summary>
         public static string Minutes {
             get {
@@ -213,7 +215,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to Value contains no elements..
+        ///   Looks up a localized string similar to Value contains no elements..
         /// </summary>
         public static string ValueContainsNoElements {
             get {
@@ -222,7 +224,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to Value contains no supported elements..
+        ///   Looks up a localized string similar to Value contains no supported elements..
         /// </summary>
         public static string ValueContainsNoSupportedElements {
             get {
@@ -231,7 +233,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to Value with ID &apos;{0}&apos; not found..
+        ///   Looks up a localized string similar to Value with ID &apos;{0}&apos; not found..
         /// </summary>
         public static string ValueNotFound {
             get {
@@ -240,7 +242,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to Value &apos;{0}&apos; is not supported..
+        ///   Looks up a localized string similar to Value &apos;{0}&apos; is not supported..
         /// </summary>
         public static string ValueNotSupported {
             get {
@@ -249,7 +251,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to Value of parameter &apos;{0}&apos; is null..
+        ///   Looks up a localized string similar to Value of parameter &apos;{0}&apos; is null..
         /// </summary>
         public static string ValueNull {
             get {
@@ -258,7 +260,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to Value is null, empty, or white space..
+        ///   Looks up a localized string similar to Value is null, empty, or white space..
         /// </summary>
         public static string ValueNullEmptyOrWhiteSpace {
             get {
@@ -267,7 +269,7 @@ public class Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to Value is null or empty..
+        ///   Looks up a localized string similar to Value is null or empty..
         /// </summary>
         public static string ValueNullOrEmpty {
             get {
diff --git a/src/StevenVolckaert.Core/StevenVolckaert.Core.csproj b/src/StevenVolckaert.Core/StevenVolckaert.Core.csproj
index 945dc9c..bac2198 100644
--- a/src/StevenVolckaert.Core/StevenVolckaert.Core.csproj
+++ b/src/StevenVolckaert.Core/StevenVolckaert.Core.csproj
@@ -4,14 +4,12 @@
     <AssemblyName>StevenVolckaert.Core</AssemblyName>
     <AssemblyTitle>Steven Volckaert's Enterprise Library - Core</AssemblyTitle>
     <NeutralLanguage>en-US</NeutralLanguage>
-    <VersionPrefix>1.0.1</VersionPrefix>
-    <VersionSuffix>alpha</VersionSuffix>
     <Copyright>Copyright (c) 2016, 2017 Steven Volckaert</Copyright>
     <Description>Steven Volckaert's Enterprise Library contains reusable software components designed to assist software developers with writing less and semantically more meaningful code.
 
 See https://github.com/stevenvolckaert/enterprise-library for more information.</Description>
     <Authors>Steven Volckaert</Authors>
-    <TargetFrameworks>net452;netstandard1.5</TargetFrameworks>
+    <TargetFrameworks>netstandard1.5;net452</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageId>StevenVolckaert.Core</PackageId>
     <PackageProjectUrl>https://github.com/stevenvolckaert/enterprise-library</PackageProjectUrl>
@@ -23,9 +21,9 @@ See https://github.com/stevenvolckaert/enterprise-library for more information.<
     <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
     <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
     <RootNamespace>StevenVolckaert</RootNamespace>
-    <AssemblyVersion>1.1.0.0</AssemblyVersion>
-    <FileVersion>1.1.0.0</FileVersion>
-    <Version>1.1.0</Version>
+    <AssemblyVersion>1.1.1.0</AssemblyVersion>
+    <FileVersion>1.1.1.0</FileVersion>
+    <Version>1.1.1</Version>
   </PropertyGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net35' ">
@@ -37,4 +35,19 @@ See https://github.com/stevenvolckaert/enterprise-library for more information.<
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Compile Update="Resources.Designer.cs">
+      <DesignTime>True</DesignTime>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Resources.resx</DependentUpon>
+    </Compile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <EmbeddedResource Update="Resources.resx">
+      <Generator>PublicResXFileCodeGenerator</Generator>
+      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+    </EmbeddedResource>
+  </ItemGroup>
+
 </Project>
diff --git a/src/StevenVolckaert.Core/StringExtensions.cs b/src/StevenVolckaert.Core/StringExtensions.cs
index a36154d..597a5af 100644
--- a/src/StevenVolckaert.Core/StringExtensions.cs
+++ b/src/StevenVolckaert.Core/StringExtensions.cs
@@ -49,20 +49,6 @@ public static bool IsNullOrWhiteSpace(this string value)
 #endif
         }
 
-        /// <summary>
-        ///     Returns the string, or a default value if the string is <c>null</c> or empty.
-        /// </summary>
-        /// <param name="value">The <see cref="string"/> value this extension method affects.</param>
-        /// <param name="defaultValue">The default value.</param>
-        /// <returns>
-        ///     The string, or the default value if the string is <c>null</c> or empty.
-        /// </returns>
-        [Obsolete("Use of this method is deprecated. Use string.FallbackIfNullOrEmpty(string) instead.")]
-        public static string DefaultIfNullOrEmpty(this string value, string defaultValue)
-        {
-            return value.FallbackIfNullOrWhiteSpace(defaultValue);
-        }
-
         /// <summary>
         ///     Returns the string, or a specified fallback value if the string is <c>null</c> or empty.
         /// </summary>
@@ -76,20 +62,6 @@ public static string FallbackIfNullOrEmpty(this string value, string fallbackVal
             return string.IsNullOrEmpty(value) ? fallbackValue : value;
         }
 
-        /// <summary>
-        ///     Returns the string, or a default value if the string is <c>null</c>, empty, or white space.
-        /// </summary>
-        /// <param name="value">The <see cref="string"/> value this extension method affects.</param>
-        /// <param name="defaultValue">The default value.</param>
-        /// <returns>
-        ///     The string, or the default value if the string is <c>null</c>, empty, or white space.
-        /// </returns>
-        [Obsolete("Use of this method is deprecated. Use string.FallbackIfNullOrWhiteSpace(string) instead.")]
-        public static string DefaultIfNullOrWhiteSpace(this string value, string defaultValue)
-        {
-            return value.FallbackIfNullOrWhiteSpace(defaultValue);
-        }
-
         /// <summary>
         ///     Returns the string,
         ///     or a specified fallback value if the string is <c>null</c>, empty, or white space.
diff --git a/test/StevenVolckaert.Core.Tests/ResourcesTests.cs b/test/StevenVolckaert.Core.Tests/ResourcesTests.cs
new file mode 100644
index 0000000..1633edd
--- /dev/null
+++ b/test/StevenVolckaert.Core.Tests/ResourcesTests.cs
@@ -0,0 +1,17 @@
+namespace StevenVolckaert.Tests
+{
+    using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+    [TestClass]
+    public class ResourcesTests
+    {
+        [TestMethod]
+        public void CanAccessResources()
+        {
+            var resourceManager = Resources.ResourceManager;
+
+            Assert.IsNotNull(resourceManager);
+            Assert.IsNotNull(Resources.ValueNullEmptyOrWhiteSpace);
+        }
+    }
+}
diff --git a/test/StevenVolckaert.Core.Tests/StevenVolckaert.Core.Tests.csproj b/test/StevenVolckaert.Core.Tests/StevenVolckaert.Core.Tests.csproj
index ec8e296..86056b3 100644
--- a/test/StevenVolckaert.Core.Tests/StevenVolckaert.Core.Tests.csproj
+++ b/test/StevenVolckaert.Core.Tests/StevenVolckaert.Core.Tests.csproj
@@ -3,13 +3,13 @@
   <PropertyGroup>
     <TargetFramework>netcoreapp1.1</TargetFramework>
     <RootNamespace>StevenVolckaert.Tests</RootNamespace>
-    <Version>1.1.0</Version>
+    <Version>1.1.1</Version>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="1.1.13" />
-    <PackageReference Include="MSTest.TestFramework" Version="1.1.13" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.3.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="1.1.18" />
+    <PackageReference Include="MSTest.TestFramework" Version="1.1.18" />
   </ItemGroup>
 
   <ItemGroup>