Merge pull request #38 from wagnert/master

Add getHeader() method to response to implement HttpMessage ResponseInterface
Add missing setBodyStream() method
Merge pull request #39 from wagnert/master

Add missing setBodyStream() method
Switch to new Http cookie implementation in TechDivision_Http library
Refactoring + bugfixes to work with MQ, PC and threaded applications, Add classes from WebContainer
Refactoring + bugfixes to work with MQ, PC and threaded applications, Add classes from WebContainer