changing libraries from cogent to unittest
changing assertEqualItems -> assert_almost_equal
changing self.assert_almost_equal -> assert_almost_equal
Fixing tests for align_seqs
fixing some of the erros, still 51 scripts to go
fixing some of the erros, still 47 scripts to go
fixing some of the erros, still 43 scripts to go
fixing some of the erros, still 35 scripts to go
removing files that are not longer in use
removing files that are not longer in use
Add fixes to use scipy instead of cogent
Fix failing tests with SciPy
fixing all errors except 4
updating to the latest version in the repo
Removing pycogent_backports.usearch.py
Use SciKit-Bio in qiime/stats.py

With these changes we replace combinate with itertools.combinations,
additionally some imports from cogent have been replaced with scikit-bio
imports.
Removing pycogent_backports/uclust.py
Fix tests to use numpy's assert_almost_equal
Removing pycogent_backports/seqprep.py and pycogent_backports/fastq_join.py
removing pycogent_backports/(blat,rdp_classifier).py