Add gotk3 to GUI section
Merge pull request #60 from dom3k/master

Add gotk3 to GUI section
added go-webcolors library
Merge pull request #61 from jyotiska/master

Added go-webcolors library
Add Testify on Testing section.
Add amber on Template Engine section.
remove duplicate snowball #62
Merge pull request #63 from romanoaugusto88/add_testify

Add Testify on Testing section.
Merge pull request #64 from romanoaugusto88/add_amber

Add amber on Template Engine section.