Update readme.txt

Author: barbushin

readme.txt

@@ -1,12 +1,12 @@
 ImapMailbox is PHP class to access mailbox by POP3/IMAP/NNTP using IMAP extension
 
-## Features
-* Connect to mailbox by POP3/IMAP/NNTP (see [http://php.net/imap_open imap_open])
-* Get mailbox status (see [http://php.net/imap_check imap_check])
-* Receive emails (+attachments, +html body images)
-* Search emails by custom criteria (see [http://php.net/imap_search imap_search])
-* Change email status (see [http://php.net/imap_setflag_full imap_setflag_full])
-* Delete email
+Features:
+ * Connect to mailbox by POP3/IMAP/NNTP (see [http://php.net/imap_open imap_open])
+ * Get mailbox status (see [http://php.net/imap_check imap_check])
+ * Receive emails (+attachments, +html body images)
+ * Search emails by custom criteria (see [http://php.net/imap_search imap_search])
+ * Change email status (see [http://php.net/imap_setflag_full imap_setflag_full])
+ * Delete email
 
 Project site:
 https://github.com/barbushin/php-imap