Fixed bug that crashed when running frequency domain (polarities problem)
Added the option to save glitchgram with a different name (glitchgram())
Now saving two glitchgrams, one zoomed in to be able to see glitches in short lock stretches
Fixed typo in last commit
Changed marker in the first glitchgram plot
Fixed typo
Reverted to 'o' marker in glitchgram plot, '.' does not work with older scipy versions
Adding/Removing 15 seconds to the start/end time of the segments to avoid lock gain/loss transients