v1.4.0

v1.4.0 - slightly better stretching + hpf

• NEW added high-pass filter (PARAMS > hpf)
• NEW improved stretching
• FIX added back the patterns for amen,break, and drum selection (row 2, columns 6, 7, and 8 respectively)
• FIX Better method of detecting existing plugin by @sixolet in #8

realize it is only one day since the last release, but I had some more free time this morning to tinker...so previously the "stretching effect" was just a sample of a stretched audio that was constantly re-used. I updated the code so that the stretching audio is of the current track (after a small delay to process the track. the processing is debounced so it won't take up much cpu). this gives a much more accurate stretching. also this made way for removing some dead code so that slightly less cpu is used. overall this is better, although it seems to have introduced a least one more bug where the stretched audio is rarely silent towards the end of the duration of the slice....not sure why this is occuring and it happens so seldomly I can't quite debug it properly. haven't found fixes for the other bugs yet.

I updated the grid graphic to be more clear: