Improved input checking for toolbox files.
Improved input checking for toolbox files.

jmchilton/pulsar,galaxyproject/pulsar,jmchilton/pulsar,jmchilton/lwr,natefoo/pulsar,natefoo/pulsar,galaxyproject/pulsar,jmchilton/lwr,ssorgatem/pulsar,ssorgatem/pulsar