v1.0.0

Features in initial release.

1. Import .mol and .mol2 files
2. Change overall atom radius, atom segements and bond radius
3. Change atom color and radius for each element in the molecular
4. Chem4D reads the AtomProperties.txt file to set initial atom radius and color, you can add element symbols and modify this file. e.g. H radius R G B

Issues.

• Can NOT undo if you delete the Chem4D object in Attribute Manager.