Reenabled py3 stuff, added cython dependency
Made examples use range instead of xrange, for compat.
Formal fixes (spacing, line lengths)
Added basic compat lib
Hooked up compat changes for range and maxint
Compat for next/__next__
Added more info about compatibility and fixed up some obsolete info.
Use RTD theme if available.
More minor fixes.
Py3k support.
Merge branch 'master' into py3
https://github.com/rgalanakis/goless/issues/17