Unbuffered queries, tinyint and fixes

Added:

• Unbuffered queries
• Tinyint support
• Custom port to mysql connection param

Fixed:

• Only add new types when they don't exist yet
• Date column type while creating table

Ignore columns, batch waiting and MySQL auto reconnection

Added:

• Ignore columns option
• When sending a batch, request the next MySQL row
• If MySQL connection drops, auto reconnect

Sync, create and delete!

This is the first release, able to:

• send new rows from MySQL to BigQuery
• create table if doesn't exists
• delete table (and create) before syncing for a full dump