Updated changelog

changelog.md

@@ -3,12 +3,34 @@
 - Updated README
 - Updated Contributors 
 - Fixed #110 Mess
+- Created Gitter Room
+- Added Gitter Badge
+- Standardised Code Base
+- Clean Debug Output
+- Optimized Send Loops
+- Modularized Design
+- Optimized and Updated Examples
+- Improved Documentation
+- Fixed and Improved many coding errors
+- Fixed Aiwa RC-T501 Decoding
+- Fixed Interrupt on ATmega8
+- Switched to Stable Release of @PlatformIO
 
 ### Additions
-- [Added Aiwa RC-T501 Protocol] (c2bf981)
-- [Added Library Properties] (675f9fe04225e63c9394a5752f6630764572c81c)
-- 
-
-
+- Added Aiwa RC-T501 Protocol
+- Added Denon Protocol
+- Added Pronto Support
+- Added Library Properties
+- Added Template For New Protocols 
+- Added this changelog
+- Added Teensy LC Support
+- Added ATtiny84 Support
+- Added ATtiny85 Support
+- Added isIdle method
 
 ### Deletions
+- Removed (Fixed) #110
+- Broke Teensy 3 / 3.1 Support 
+
+### Not Working
+- Teensy 3 / 3.1 Support is in Development