Remove references to java 7 and python 2.

.travis.yml

@@ -41,6 +41,9 @@ matrix:
   - os: linux
     language: java
     jdk: openjdk14
+  - os: linux
+    language: java
+    jdk: openjdk15
   - os: osx
     language: generic
 

setup.py

@@ -113,8 +113,7 @@ def read_file(name):
 
           # my hacks to compile java files
           java_files=get_files('.java'),
-          extra_jar_files=['src/main/resources/jep/classlist_7.txt',
-                           'src/main/resources/jep/classlist_8.txt',
+          extra_jar_files=['src/main/resources/jep/classlist_8.txt',
                            'src/main/resources/jep/classlist_9.txt',
                            'src/main/resources/jep/classlist_10.txt',
                            'src/main/resources/jep/classlist_11.txt'],

src/main/c/Jep/pyembed.c

@@ -783,7 +783,9 @@ static PyObject* pyembed_jproxy(PyObject *self, PyObject *args)
     // make sure target doesn't get garbage collected
     Py_INCREF(pytarget);
 
-    result = jobject_As_PyObject(env, proxy);
+    jclass clazz = (*env)->GetObjectClass(env, proxy);
+    result = jobject_As_PyJObject(env, proxy, clazz);
+    (*env)->DeleteLocalRef(env, clazz);
     (*env)->DeleteLocalRef(env, proxy);
     return result;
 }

src/main/java/jep/ClassList.java

@@ -210,9 +210,7 @@ private void loadClassList() throws JepException {
                 Thread.currentThread().getContextClassLoader(),
                 Jep.class.getClassLoader() };
         String rsc = "jep/classlist_";
-        if (version.startsWith("1.7")) {
-            rsc += "7";
-        } else if (version.startsWith("1.8")) {
+        if (version.startsWith("1.8")) {
             rsc += "8";
         } else if (version.startsWith("9.")) {
             rsc += "9";

src/main/java/jep/python/PyCallable.java

@@ -63,9 +63,6 @@
  * </pre>
  *
  * @see <a href=
- *      "https://docs.python.org/2/reference/expressions.html#calls">Python 2
- *      Call Expression</a>
- * @see <a href=
  *      "https://docs.python.org/3/reference/expressions.html#calls">Python 3
  *      Call Expression</a>
  * @author Nate Jensen