Merge pull request #107 from mikey179/master

add stubbles\peer\http\emptyAcceptHeader()
Merge pull request #108 from mikey179/master

allow using different loaders for loading a resource
Merge pull request #109 from mikey179/master

add stubbles\streams\filter\CallableStreamFilter
Merge pull request #110 from mikey179/master

both stubbles\streams\filter\FilteredInputStream and stubbles\streams\fi...
add possibility to bind properties directly from a file
accept a callable as second parameter which returns a mode