Ref for csarray
Update docs
Version bump
Better docs
Version 0.6.1
Add norm
Convery numpy array if using add or sub
Add lib and lib.test
Add norm method
New files
Import rsvd, norm
Test core
Version bump
long -> int, and test norm
Bump version.
Merge branch 'master' of github.com:charanpald/sppy

Conflicts:
	docs/conf.py