v.1.3
v1.3 is an incremental release and contains the following new features/fixes:
- publish it as an npm module
- PDB IO: parse insertion codes
- add method to retrieve current color of atom. This is useful for highlighting purposes, where the color of certain atoms is temporarily changed and then reverted back to the original.
- smoothing of strands when rendering as helix, strand, coil cartoon
- implement proper strand "arrows"
- improved auto-slabbing when the rendered objects are off-center