bumped version to 0.8.10.

bumped version to 0.8.9.

documented the "always_forward_body" option for ngx.location.capture(…

…) and ngx.location.capture_multi().

documented the new ngx.config.debug API and also updated docs to refl…

…ect other recent changes.

bumped version to 0.8.6.

bumped version to 0.8.5.

docs: bumped version to 0.8.4; also mentioned Nginx Systemtap Toolkit.

updated docs to reflect recent changes.

bugfix: use of LuaJIT FFI when disabling the Lua code cache would lea…

…d to LuaJIT GC assertion failures like "g->gc.total == sizeof(GG_State)" because we unloaded the standard "ffi" module. thanks Ron Gomes for reporting this issue.

updated docs to reflect recent changes.