Deleted functions and methods in io.py and tab.py related to the
now deprecated HSV.
Mostly PEP-8 whitespace edits to io.py.
Merge branch 'develop' of github.com:yamins81/tabular into develop
Merge branch 'develop' into elaine_working and some whitespace.

Conflicts:
	tabular/io.py
Line continuator bug.
updated the whitespace and removed hsv support and a bit of documentation change