wip: connectivity
ENH: CSD methods
ENH: coherency (WIP)
coherence, example, generator
typos
imag_coh, better test
added freq_connectivity
speedup using block-wise processing
wip
multiple bands, fskip, faverage
parallel proc, cleanup
tmin,tmax sensor example
typo
use visual condition for connectivity in example
wpli, opt
norm_fun 2 or 4 args
cleanup
obj. oriented, wpli2_debias
cleanup, fft mode
wip: cwt_morlet