v1.1.3_rdkit

Merge pull request #7 from greglandrum/master

A few changes to the build system make integration with other packages easier

windows cmake bugfix

Merge pull request #6 from flachsenberg/master

fix missing libm on windows

minor bugfixes

Merge pull request #5 from flachsenberg/master

Bugfixes: symbol export and -lm

Paper version with updated citation information

Merge pull request #4 from flachsenberg/master

updated citation information