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Molecular dynamics by NMR data analysis

Brought to you by: edauvergne, troelslinnet

Abstracted mol_type_element() into the base class method chooser().

This shifts all the GUI code into the base class.

Authored by: bugman 2010-12-11

changed	/branches/bieri_gui/gui_bieri/user_functions/base.py
changed	/branches/bieri_gui/gui_bieri/user_functions/molecule.py