This fixes issue #47 and simplifies the CamelCase regex
Added support for 'update' column option.

Also switched type 'timestamp' to be the 'timestamp' MySQL field type
from the previous setting of 'datetime' since it is needed for the
CURRENT_TIMESTAMP function.
Merge pull request #68 from valorin/timestamp-on-update

Added support for 'ON UPDATE' column function, and updated 'timestamp' column type.
Following Phinx coding conventions
Merge pull request #52 from ghola/numbers-in-migrations

This fixes issue #47 and simplifies the CamelCase regex
Fixing broken unit tests
Fixes #70. adding 2nd arg
Fixes #66. Setting the correct min PHP ver
Fixes #63. forcing UTF8 for MySQL
Fixes #49. #22. Support for custom MySQL table engines.
Fixes #44. Adding a commented out change method to the migration template.
packaging 0.2.3 release