Merge branch 'develop'
Merge branch 'release-1.0.3'
Merge branch 'release-1.1.0'
Merge branch 'release-1.2.0'
Merge branch 'release-1.2.1'
Merge branch 'release-2.0.0'
FIX: function names should not begin with 'l:'

Vim 7.4.260 disallows the use of colons in function names other than those
which start with 's:'.
(https://groups.google.com/forum/#!topic/vim_dev/M4_E1QhXVxA)

Fixes #8
(https://github.com/amdt/sunset/issues/8)
Update documentation
Bump version number
Merge commit '3ebfb3b' into develop

Conflicts:
	README.markdown
	doc/sunset.txt
	plugin/sunset.vim