Merge branch 'release/0.4.8' into develop
Update not to return a worker to the pool when the pool is overflowing
if -> case
Merge pull request #1 from egisatoshi/develop

Update not to return a worker to the pool when the pool is overflowing
Update README.md
Add 'Usage in Leo Project' section
Merge pull request #2 from egisatoshi/develop

Update README.md
Update interface functions
Update test code
Merge pull request #3 from egisatoshi/new_interface

Update interface functions
Refactor
Update README.md

Add links
Refactored again
Merge branch 'develop' of github.com:egisatoshi/leo_pod into develop
Merge pull request #4 from egisatoshi/develop

Refactor yesterday code
Update for v0.6.0
Bump leo_pod to 0.6.0
Merge branch 'release/0.6.0'