maxWidth and maxHeight
Merge pull request #7 from Cynede/master

max Width and max Height
Merge pull request #9 from listx/master

fixes the overflowX/overflowY typo
Differentiate between custom font families and font family categories like serif/sans-serif/monospace.
Use concat not bind for combined selectors.
Whitespace.
Added bunch of show instances for better debugability.
Don't print star (*) when there are refinements.
Self applied refinements on the top level will magically be applied to star.
Added changelog and bumped version.
Don't expose use of Literal in interface of fontFamily.
Fixed example.