DOC: add missing functions to other-functions.rst
DOC: add missing functions to other-functions.rst

rgommers/pywt,michelp/pywt,kwohlfahrt/pywt,rgommers/pywt,eriol/pywt,rgommers/pywt,rgommers/pywt,kwohlfahrt/pywt,grlee77/pywt,PyWavelets/pywt,eriol/pywt,michelp/pywt,eriol/pywt,grlee77/pywt,kwohlfahrt/pywt,michelp/pywt,PyWavelets/pywt