self.fft() changes the description of the values, adds "spectrum"
changing an example
renamed the name of test directory to allow nosetests to run all the
tests through the head folder
removed fft from math
added function to plot a few objects on the same graph
commented out the test of am_conolution and am_filter
fixed some functions calls
added tests_ to extensions
typo
added test_ to segments
added TODO to adjoin
arranged the concatenate_single_segments
added idea to concatenate_signle_segments
commented out testing the unimplemented concatenate_single_segments
tests REALLY work
refactored out segments.plots
and deleted plots
refactored out marking a threshold
removed importing unexisting segments.plots
bring plot_few to the namespace
smoother example