Use TFF C module
Minor fix
Merge branch 'develop'

Conflicts:
	setup.py
Minor fix
Update TFF
Merge branch 'develop'
Minor fix
Update TFF
FIx a bug around displaying prompt for invalid input sequence
Update ChangeLog
Update version
Update TFF
Fix a typo
Merge branch 'master' into develop
Fix a bug around retrieving SS2 template(reported by @ttdoda)
Update TFF
Add the definition of alternate escape key
Update version