minor bug fixes

• molecular formula parsing now ignores spaces
• bug fix for correctly hiding top and right ticks in new matplotlib
• bug fix for isospec threshold (appeared to be 10* too low)

additional PyRSIR example and bug fixes

Added additional file for PyRSIR example.
Also fixed some bugs and optimized loops

isotope pattern generation from IsoSpecPy updated

The function which uses IsoSpecPy has been updated to work with the newest version of the package.

bug fixes

Several bug fixes to work with updated/changed behaviour of dependencies.

release checkpoint

checkpoint for managing releases