FIX: enabling cgitest target
CLEAN: cgitest
DOC: more doc updates
REGEN: projects
FIX: enable cgi-bin route in test.
FIX: websSetBackgroundWriter calling websFlush and writeData

Must write ALL buffered data before writing any file data.
FIX: Ensure CGI files are truncated incase existing prior to request.
CLEAN: formatting
FIX: sanity check CGI response headers and skip obviously bad headers and trace.
REFACTOR: on process death, always call websCgiGatherOutput once.

Incase on some O/S, process death can precede response data. Call gatherOutput.
Also, only retry gatherOutput for windows.
FIX: parsing CGI response headers

Fix case where CGI program stalls after writing partial HTTP headers.
Parse up to ME_GOAHEAD_LIMIT_HEADERS worth of data before considering response pure data sans-headers and then create default headers.