Initial libuv import
misc.
Using uv_poll_init
Remove unused header file.
Add work around code that realize similar to container_of function
Macronize
Fix bugs.
Add Loop#remove_reader
Cleanup
import deps/libuv
Add ext/Makefile (automatically created when rake)
Add timer for settings timeout value
Fix segv when libuv call signal handler
Refactor
Add some assert
Fix: create timer always before start eventloop
Remove unused value
Fix test.rb for settings nonblocking mode
Initial fiber support
Merge pull request #5 from kubo39/use-fiber

Initial fiber support