Merge pull request #10 from Sproutling/master

add option to truncate tables with an identity/auto-incr reset
fix tests for mysql and sqlite by assuming that identity clauses starting with ";" are separate queries and executing them separately
exit test-all on any error so false-positive build failures dont sneak through drone
ping dbs in the test suite
make all changes to documentation and code suggested by golint
added TableNameMapper to modl
Merge pull request #11 from silasdavis/TableNameMapper

Added TableNameMapper to modl