Updated readme
Adding changes to README so that the expand example works with copy-paste
Merge pull request #30 from stevetauber/master

Adding changes to README so that the expand example works with copy-paste
Added a simple benchmark script
Added a script to generate test data
Merge remote-tracking branch 'upstream/master' into fix-ms-vcards
Improve parser handling for folded lines
Use $length property to avoid checking strlen()
Improve reading parameter values
Improve parser by performing unfolding in a single step
Improve parser by combining property matches
Improve parser by combining parameter matches
Remove unneeded assignment
Improve literal() helper