Merge branch 'release/1.5.2'
tabulate.py:
  simple_separated_format() - use separator parameter
  tabulate() - sink common code

test-tabulate.py: start testing
Merge branch 'tabulate' of https://github.com/solvebio/solvebio-python into tabulate
Add tabulate tests. Probably still need something to sort on hashes
Sort hash data for guarenteed reproducible results.
Inadvertantly borked copyright symbol.
Merge pull request #26 from solvebio/tabulate

Tabulate: add padding and tests