Added support for DateTime
Merge pull request #6 from xt0rted/DataTypes-DateTime

Added support for DateTime
Fixed bug where scale was being validated as precision
Added support for Money
Merge pull request #7 from xt0rted/DataTypes-Money

Added support for Money
Removed Usage for now until I figure out a better way of explaining it. Added Recipes and moved SqlProjectionDescriptor into it (in a slightly different form). Built-in messages have also moved into Recipes (slightly differen form as well).
Merge branch 'master' of github.com:yreynhout/Projac
Adjusted docs to be inline with recent changes.
Added contributors.
Update README.md
Update README.md