doc: now we have tested with nginx 1.5.12; also put the 0.9.7 release… … date.

bumped version to 0.9.6. 

updated docs for the 0.9.5 release. 

doc: documented the new ngx.worker.pid() API. 

skipped tests that could fail in the "check leak" testing mode. 

documented the 5th optional argument, "res_table", for ngx.re.match(). 

Merge pull request openresty#322 from zh-ang/master fixed a compilation warning when PCRE is disabled.

doc: bumped version to 0.9.3 and also stated that we work with nginx … …1.4.4.

bumped version to 0.9.2. 

doc: updated the docs for ngx.req.socket(raw) to reflect the recent c… …hange that allows reading raw request body data directly.