forked from: Dynamic Audio Slice Tool & Looper

-- by jeremy brown
-- this is a simple one class example of a slicetool, wave form viewer, looper 
-- drag markers on left and right to crop the sample
-- slider controls level of detail in waveform render
-- more info here: http://labs.makemachine.net/2010/07/slice-tool-looper/
-- slider and button from minimal comps by Keith Peters for