Initial proposal for a STFT function
Fixed tabs/spaces
Merging updated master
Added tests to the stft function
Added stft docs
Fixed copy-paste issue.
Made spectrogram a special case of stft
Fixed onesided case
Fixed bug in fft2oneortwosided
add fft2oneortwosided tests
add odd nfft test case
fix and simplify fft2oneortwosided
Merge pull request #53 from JuliaDSP/jfs/stft

Low level implementation of a short-time Fourier transform.