docs: bumped version to 0.7.13. 

docs: bumped version to 0.7.12. 

bugfix: ngx.decode_args() might modify (read-only) Lua strings in-pla… …ce, which could lead to bad Lua string values. thanks Xu Jian for the report and Kindy Lin for the patch.

bumped version to 0.7.11. 

docs: declared compatibility with nginx 1.2.6; also bumped version to… … 0.7.10.

documented the request body automatic inheritance behavior in ngx.loc… …ation.capture; also bumped version to 0.7.9.

bumped version to 0.7.8. 

bumped version to 0.7.7. 

updated docs to reflect recent changes. 

bugfix: the "light thread" object created by ngx.thread.spawn() might… … be prematurely collected by the Lua GC because we did not correctly register its coroutine object into the Lua regsitry table. this bug may crash the Lua VM and nginx workers under load. thanks Zhu Dejiang for reporting this issue.