2to3 -w -f except ./
2to3 -w -f tuple_params ./
2to3 -w -f print ./
2to3 -w -f dict ./
2to3 -w -f raise ./
2to3 -w -f basestring ./
2to3 -w -f numliterals ./
isMappingType
nested
2to3 -w ./
py33 exitstack
py33 exitstack
Update .travis.yml

py 3.3 and 3.4
Merge branch 'master' into feature/2to3

Conflicts:
	fabric/utils.py
bytes -> str
from __future__ import with_statement
from __future__ import with_statement
py3.7 workaround
version num