Add PostgresCursorWrapper
Add NextAvailablePool
ConnectionPool runs stuff
Add untested porcelain
Clean flakes and add postgres porcelain test
Fix postgres porcelain test and add sqlite one
Remove superfluous commit
Add license
Add patches
Merge remote-tracking branch 'origin/master' into patches
Merge remote-tracking branch 'origin/pool' into patches
Patches are compatible with new, simpler runners
Adjust postgres env
Patcher.add accepts strings, lists, tuples
Fix formerly unrun test
Merge remote-tracking branch 'origin/master'
mock isn't required except for testing
Add markup to README
Dedent README
Test README examples