Vanishing FULL_BASE_URL from the RouterTest
Add forgotten exception class.

I forgot this in a previous set of commits, adding it now.
Fix failing tests in Network package.
Fix some coding standard errors.
Merge branch '3.0' into 3.0-model
Add Table::columnType() accessor

Since this method is used a few times in the ORM package add a simple
way to read it.
Update classes to use new method.
Merge branch '3.0-model' of github.com:cakephp/cakephp into 3.0-model