Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/wocommunity/wonder
Bugfix, deactivating the ifModifiedSince header
Bugfix for IIS 7, deactivate stream buffering in IIS
increase version
More comments on the changes
assume stack is not initialized with NULL
Do not request root ownership for logflag when compiling for  WIN32/64
Merge pull request #501 from markusstoll/m_woadaptor

3 bugfixes for WOAdaptor