v0.3.2

What's Changed

• Remove RwLock's from is_done and is_started by @insani7y in #19
• Added close method for Connection Pool by @chandr-andr in #22
• Added new parameter to all execute methods. Now it's possible to turn off statement preparation by @chandr-andr in #21

Full Changelog: 0.3.1...0.3.2