1. Added escaping of slashes and unescaping of escaped slashes. I mad…

…e it for compatibility with PHP but it's really part of standard.

2. Trailing latin letters of non-ascii-escaped characters are lowercase now. For example \u043d instead of \u043D. I also made it for compatibility with PHP but this time I don't know if the PHP version is right.

hxjson2/JSONEncoder.hx

@@ -141,6 +141,8 @@ class JSONEncoder {
 			}
 			#end
 			switch ( ch ) {			
+				case '/':	// solidus
+					s += "\\/";
 				case '"':	// quotation mark
 					s += "\\\"";					
 				case '\\':	// reverse solidus
@@ -178,7 +180,7 @@ class JSONEncoder {
 						}
 						//var zeroPad:String = hexCode.length == 2 ? "00" : "000";						
 						// create the unicode escape sequence with 4 hex digits
-						s += "\\u" + zeroPad + hexCode;
+						s += "\\u" + zeroPad + hexCode.toLowerCase();
 					} else {					
 						// no need to do any special encoding, just pass-through
 						s += ch;						

hxjson2/JSONTokenizer.hx

@@ -211,6 +211,8 @@ class JSONTokenizer {
 						string += '"';					
 					case '/':	// solidus
 						string += "/";
+					case '\\/':	// escaped solidus
+						string += "/";
 					case '\\':	// reverse solidus
 						string += '\\';				
 					case 'n':	// newline