Bump version to 0.5.1
Bump version to 0.5.1

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