Adding llr features
Adding min_unr_width check in get_unrs function
Some change for the visualization of chains
Bug fix of juxtaposed regions in union_regions
Fixing bug in flat_aggregated_intra_strain_nucs
declaring flat_aggregated_intra_strain_nucs
Fixing bug in substract_region fucntion
Fixing watch_samples bug with only one read on a cur.
Debugging watch_sample function when there is no reads on a given region.
Removing gplots dependency
Adding documentation