It should be driver, not manager
Rewrite driver initialisation
Rename RS_DBI_Manager to MySQLDriver
Remove unused drvData
Eliminate force reload. Refactor rmysql_driver_close()
Since driver is a singleton, we don't need a handle.
Implement rmysql_driver_valid
Refactor rmysql_driver_info
Tidying up field allocation
Refactor rmysql_field_info
Merge branch 'master' of github.com:rstats-db/RMySQL
Remove unused files
Merge branch 'master' of github.com:rstats-db/RMySQL

Conflicts:
	src/RS-MySQL.h
	src/manager.c
	src/utils.c