Update Rakefile for RM2.0 syntax.
Remove logging from execute and define new execute_debug method.
More DRY code for execute_debug
Merge pull request #1 from MohawkApps/remove-logging

Remove logging
Update readme for example of db usage on disk and to document execute_debug.
Merge pull request #3 from MohawkApps/update-readme

Update readme for example of db usage on disk and to document execute_debug