Support SQLite3

This version adds support for SQLite3

v2.2.1

• Allow set LockFileDir instead of hard-set to /tmp/

v2.2.0

• Fix deadlock when couldn't acquire tables
• Remove logs
• Provide Options for changing logger, config...

v2.1.1

clean a bit

Use flock for locking across processes

v2.1

make it work across processes (#8)

Fix invalid var

v2.0.3

fix wrong var

Remove noisy log

v2.0.2

remove redundant log

Panic on Truncate error

v2.0.1

simply panic if truncate error

v2.0: V2 (#7)

Completely rewrite to solve concurrency/race condition problem.

[NOTE] This release is not backward compatible with v1.0

v1.0: Add truncate selected tables (#6)

* Add truncate tables only

* Update mysql test

* Remove truncateTables

* Change TruncateTablesOnly to TruncateSelectedTables

* Change checkResult