Merge pull request #98 from wagnert/master

Refactor shutdown handler to catch exit/die and send apropriate headers
added shutdown module hook
refactored shutdown handler registration
coding styles fix
Merge pull request #99 from zelgerj/master

refactored shutdown handler registration and added shutdown module hook
fixed keepalive timeout handling
Merge branch 'master' of https://github.com/techdivision/TechDivision_WebServer
Merge pull request #100 from zelgerj/master

fixed keepalive timeout handling
added prepare method to modules
Merge pull request #101 from zelgerj/master

added prepare method to modules
added worker accept min max properties
Merge branch 'master' of https://github.com/techdivision/TechDivision_WebServer
Merge pull request #102 from zelgerj/master

added worker accept min max properties