Drop GIL for c_wt calls in _swt.pyx
Drop GIL for c_wt calls in _swt.pyx

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