* sync various pieces of code with Incentive PyMOL
* faster iterate/alter implementation ported from Incentive PyMOL
* experimental mmCIF write support (atoms only)
* partial multi-letter chain support
* super: use guide instead of CA, enables nuc acid alignment
* fix movie panel not shown until resize
* eliminate some deprecated parsing modes
* python: convert some files to absolute_import
* --help and --version
* dynamic_measures refactoring, fixes duplicated IDs bug
* get_type returns object:alignment and object:ramp
* new "command" Wizard ported from Incentive PyMOL
* remove obsolete contrib/sglite and contrib/modules