Added basic support for SQL Server. Tables, Views, Procedures, and Functions seem to be working, but have not been extensively tested.
Fixed comments.
Added type hinting and moved pdo options to PDO class.
Allows use of out-of-order revision numbers in order to allow unique revision IDs with multiple developers, branches, ...
Merge remote-tracking branch 'origin/master' into sql-server
Merge pull request #48 from drewsonne/sql-server

Sql server
Merge branch 'parent_master'
Upgrading DBV to v 1.1 and removing the hard coded config to replace it with the config sample.
Merge branch 'master' into feature/branching

Conflicts:
	templates/index.php