Python 0.5.5

Performance improvements

• Methods like ts.at() which seek to a specified position on the sequence from
  a new Tree instance are now much faster (@molpopgen, #2661).

Features

• Add __repr__ for variants to return a string representation of the raw data
  without spewing megabytes of text (@chriscrsmith, #2695, #2694)

• Add keep_rows method to table classes to support efficient in-place
  table subsetting (@jeromekelleher, #2700)

Bugfixes

• Fix UnicodeDecodeError when calling Variant.alleles on the emscripten platform.
  (@benjeffery, #2754, #2737)