add eval command
add eval/evalsha/scriptload
version number ++
Merge pull request #1 from aisk/master

add eval/evalsha/scriptload
add eval command
make tests work under python 3.3
make pipeline tests work under python3.3
fix python version check to work in python2 as well as python3, allowing url formed arguments
Merge pull request #13 from adamsussman/master

fix python version check to work in python2 as well as python3
Keeping pipeline results order.
Concurrently pipeline
bugfix
for python3
Merge pull request #14 from psjay/pipeline

Keeping pipeline responses order unchanged&concurrency pipeline
Binding thread pool on shard instance, not pipeline.
Lazy init
Merge pull request #15 from psjay/dev

Binding thread pool on shard instance, not pipeline.
Use gevent if available
Update version
Merge pull request #16 from psjay/dev

Pipeline use gevent if available