Removed nullable property from *_stop_times
cleanup(): replaced check for NaN by check for zero in *_stop_times
cleanup(): restored the check for NaN for backwards compatibility
Updated Utah spike detection toolchain and added generic setPath
Merge pull request #2 from atlab/bigint

Have been running with this code for sometime and appears to work without a problem. Labview side has already been modified, and NULL entries in acq.Sessions have been fixed. I'm pulling the changes into the master and closing this.