RegisterMolParameters renamed to OERegisterMolParameters.
However, the function is now automatically called at link time alleviating the
user from having to call this function in order to use molecules with
OEReadXYZFile uses the “Unichem” numeric
convention for elements that don’t have a one or two-character IUPAC symbol.
New constructor added to the OEInterface class, that
takes the interface data along with argc and argv
arguments of main().
Using this constructor, an OEInterface object is configured,
parses the command line, and prints the help message if requested.