Support for BIT(1) fields by checking if the value is numeric and not quoting if so.

Signed-off-by: Euan Torano <euantorano@gmail.com>
Merge branch 'feature' of https://github.com/mybb/mybb into feature-bit-field-support
Fixing code style.

Signed-off-by: Euan Torano <euantorano@gmail.com>
Merge pull request #366 from MyBBStuff/feature-bit-field-support

Support for BIT(1) fields. Sounds good to me.