SgProject.sequence() fixed search filter

Search filter changed from "name_is" to "is".
Updated return data for SgFieldUrl local storage

When a SgFieldUrl has a link type of "local" the returned value
now includes the Attachment Entity "id" and other field data
such as "local_path" etc.
SgClassFactory now adds var pointing to base class for Entity

SgClassFactory when building the classes for Entity types now
stores the class used as the base class as a variable
"__sg_base_class__".
SgVersion Entity fixed arg order bug

Fixed a bug where args were being passed out of order to build
the version number.