A few bug fixes that include:
* Implemented ct_date_time date_type and time_type memebers
* New CT::Date#type method.
* Created ct_date_time_init_with2 and implemented in CT::Record#get_field_as_date_time
* New CT::Model#inspect method
* Fully implemented CT::Date and CT::Time types
* Implemented missing CT::DateTime class
* Added check to see if the ctreesql server is running
Merge pull request #12 from drfeelngood/datetime_jazz

Date/Time/DateTime bug fixes