increased the waiting time in two ngx.abort test cases that might fail on slow boxes.
refactor: adjusted the globals table handling a little bit.
doc: typo fix in a code sample for ngx.req.get_post_args(). thanks Evan for the patch in #344.
fixed the waiting time for a test case that could fail on slow machines.
bugfix: segfault might happen in the FFI API for destroying compiled pcre regexes, which affects libraries like lua-resty-core.
fixed a test case that could fail in the "check leak" mode due to GC delays.
fixed a bad regressoin in commit 1b615c46.
test: skipped two invalid test cases that use cosockets beyond the creating request boundary.
updated docs for the 0.9.5 release.