{1,2,3} -> set((1,2,3)) and {}->{0} for format function
using unittest2
python2.6 support for timedelta total_seconds
{}->{0} for format function and hexlify converting bytearray to bytes
unittest -> unittest2
+unittest2 into test requirements
fix travis tests
fix travis tests
fix travis tests
test against python2.6 in travis
add python 2.6 into list of supported versions
added installation of python 2.6 requirements into ci.sh and ci.bat
Merge branch 'python-2.6-support'