Bump version to 0.4.7
Bump version to 0.4.7

sodabrew/mysql2,tamird/mysql2,kamipo/mysql2,bigcartel/mysql2,brianmario/mysql2,kamipo/mysql2,sodabrew/mysql2,jeremy/mysql2,bigcartel/mysql2,tamird/mysql2,bigcartel/mysql2,brianmario/mysql2,tamird/mysql2,brianmario/mysql2,kamipo/mysql2,jeremy/mysql2,kamipo/mysql2,bigcartel/mysql2,tamird/mysql2,jeremy/mysql2,sodabrew/mysql2