0.0.57

0.0.57 (10.10.19): add overlap-flag to tile + bugfixes (#34)

* 0.0.57 (10.10.19): add overlap-flag to tile + bugfixes

- add overlap-flag to tile
- add chain to print-method
- bugfix: printing stranded pyranges sorted output even though sort was false
- bugfix: wrong number hidden cols on very small terminal widths
- bugfix: unstrand did not change underlying dict to chromosomes only
- show number of hidden columns in header
- tests: mismatches in strand between dict and dataframes

* Fix bug in tile overlap

* Fix tests

* Fix tile overlap

* df/as_df returns non-duplicated index