explicitly cast the after work callback function to "uv_after_work_cb"
clean up git ignore file
Fix missing error when looking up city data with some special ip in
async mode
Merge branch 'master' into 0.10

Conflicts:
	src/city.cc
Add v0.4.8 release log
Land christopher holt
Merge branch 'master' into 0.10
Added v0.4.9 release log
Prepare for v0.4.10 development
Merge pull request #1 from kuno/master

update from origin