Shape TK 1.6.2

New features

• Added the ability to get the expiration date from OEShapeIsLicensed function.

Bug fixes

• Fixed a memory leak in the calculation of self color in OEColorFunc.

• Fixed a bug that prevented pre-colored molecules from being used in OEColorFunc.

• Replace old error messages that just went to stderr and routed all errors and warnings via OEThrow.