Updates in resealse v1.1.0
--------------------------

- added HydrophoneData.wave_write()
- HydrophoneData.plot_timeseries()
- updated ooipy_demo.ipynb
- added deprecation warning to Spectrogram.visualize()
- added Spectrogram.plot() (calls tools.ooipypltlib.spectrogram_plot())
- added deprecation warning to PSD.visualize()
- psd.plot()
- node string format change for broadband and low frequency hydrophones (removed '/')
- sensitivy correction for all broadband hydrophones
- sensitivity correction for low frequency hydrophones
- added request/ctd_request.py module
- added ctd/basic.py module for extracting CTD data and computing parameter profiles over the water column

Updates in release v1.1.1
-------------------------

- bug fixes in multiprocessing functions and hydrophone sensitivity correction
