Merge branch 'master' into cleanup

Author: ichiriac

README.md

@@ -30,7 +30,8 @@ var engine = require('php-parser');
 var parser = new engine({
   // some options :
   parser: {
-    extractDoc: true
+    extractDoc: true,
+    php7: true
   },
   ast: {
     withPositions: true
@@ -74,8 +75,9 @@ Sample AST output
 }
 ```
 
-Try it online (demo) :
-http://glayzzle.com/php-parser/#demo
+- Try it online (demo) : http://glayzzle.com/php-parser/#demo
+- Or from AST Explorer : https://astexplorer.net/
+
 
 API Overview
 ------------

RELEASE.md

@@ -1,5 +1,13 @@
 # Releases
 
+## 2.2.0 : (2017-12-27)
+- Impl #108 : add an option to disable PHP7 support
+- Fix #107 : fix T_DOUBLE_COLON handler
+- Fix #106 : infinite loops from lexer (unput)
+- Fix #105 : T_DOLLAR_OPEN_CURLY_BRACES handles now expressions
+- PR #102 : Normalize the way type casts are defined
+- Fix #103 : Fix critical cast to null confusion
+
 ## 2.1.0 : (2017-11-01)
 - Impl #91 & #92 : Functions support reserved names (PHP7)
 - Fix #89 : parsing methods can use Buffers or Strings