1.7.1

• Allow user to use a different DSN prefix and add additional DSN params while constructing
• Combine verify_table and verify_columns into one method called verifyTablesAndColumns, improve effeciency by remembering already verified tables and columns, and add error throwing
• Added transaction to multi method
• Added error to multi method when attempting to use non insert queries
• Changed insert method to use non-named placeholders
• Added 3 new quick methods - group, keypair, keypairs
• Added better argument support for methods: all, cell, row

Full Changelog: 1.6...1.7