Merge pull request #6 from mattgode/master

Added functionality to help make rendering common html elements easier in Gosu
ISparkGSFilter. SparkGSFile now has filter() function which can be used/closed in a SparkGSFile extension, allowing select filtering of different blocks. Filters are applied to the Request and Response at the start of every call.
Make methods static
Merge pull request #7 from jchoigw/master

ISparkGSFilter. SparkGSFile now has filter() function which can be used/...
Merge remote-tracking branch 'origin/master'
Clean up filters
Filtering before/after, so help us God
Merge pull request #9 from jchoigw/master

Filtering before/after, so help us God
Added support for nested path declarations.