Remove accidentally added new functions
Add reverse-gradient function
Add a test for reverse gradient to the test.scss file
Move function helpers into their own directory and add degree reversal
Merge branch 'master' of github.com:mobify/spline into reverse-gradient

Conflicts:
	dist/_spline.scss
Add additional gradient tests to tests.scss
Add some type checkers to to-list and remove need for reverse-list function
Minor fix to formatting of the $unit declaration in _length()
Remove `reverse-list` function as it's no longer used
Merge branch 'reverse-gradient' of github.com:mobify/spline into reverse-gradient
Improve to-list: Fix an issue with multi-char separators; Explicitly check for null in while loop; use append instead of join for clarity; add comments; add tests.
Merge branch 'reverse-gradient' of github.com:mobify/spline into reverse-gradient
Add function docblock.
Ensure reverse-gradient produces strings separated by comma and a single space.
Abstract repeated code into its own function: to-comma-string()
Create unique gradient variables instead of constantly overwriting the same var
Change to-comma-string() to to-string()
Add a simple visual test page for some of these functions.
Merge pull request #7 from mobify/reverse-gradient

Add a function to reverse a linear-gradient().