v0.2.1

• Add missing values from CSS3 vertical-align (Nick Schonning)
• Add white-space vendor prefixed values (Nick Schonning)
• Add test for underscore hack (Nick Schonning)
• Add CSS2 system colors (Nick Schonning)
• Fix readme (Nicholas C. Zakas)
• Add travis build status to readme (Nicholas C. Zakas)
• Fixed media query tests (Nicholas C. Zakas)
• Remove platform restrictions (Schabse Laks)
• _operator is used for seperating multiple values for a property (ie. box-shadow: 10px 10px 0, 2px 2px 0) as well as for mathematical operators inside functions. Since functions are the only place mathem
• added support for + operator for calc functions (Merrifield, Jay)
• added support for calc wherever is expected (Merrifield, Jay)
• Update tests/css/Parser.js (mirceapiturca)
• Update src/css/MediaQuery.js (mirceapiturca)
• Update build/node-parserlib.js (mirceapiturca)