Expand the dat file ingestor to handle more formats (#84)

* MAME DAT's can now be imported, beginning of DB updates

* Fixed various database bugs that occur during upgrade from earlier versions

* Removed collation and MySQL specific options from database scripts

gaseous-tools/Database/MySQL/gaseous-1001.sql

@@ -1,5 +1,5 @@
 DROP TABLE IF EXISTS `GameMode`;
-CREATE TABLE `gaseous`.`GameMode` (
+CREATE TABLE `GameMode` (
   `Id` BIGINT NOT NULL,
   `CreatedAt` DATETIME NULL,
   `Checksum` VARCHAR(45) NULL,
@@ -82,5 +82,5 @@ CREATE TABLE `RomCollections` (
   `BuiltStatus` INT NULL,
   PRIMARY KEY (`Id`));
 
-ALTER TABLE `gaseous`.`Signatures_Sources` 
+ALTER TABLE `Signatures_Sources` 
 CHANGE COLUMN `Author` `Author` LONGTEXT NULL DEFAULT NULL ;