Added min/max size options
Merge branch 'minmax'

Merging min/max-size options into master branch
code cleanup
Changed fixbar css back to original color
Removed console logs
Ensures the splitbars can't overlap
Fixed sizing issue when flow was set to 'row'
Updated readme with min/max-size usage
Added 'dividerSize' property to adjust the size of the divider without altering CSS
Merge pull request #18 from jbroquist/master

Added min/max-size options