Update mongo_dbclient.cpp
Merge pull request #31 from moai/develop

Develop
Merge pull request #32 from moai/develop

Develop
Merge pull request #33 from moai/develop

Removed -lrt from mac compilation
Merge pull request #26 from lywaterman/master

Update mongo_dbclient.cpp, make the command to be a table
Updated run_command to show error message
Merge branch 'master' of ssh://github.com/moai/luamongo
Indentation
Merge branch 'master' into develop