Log Message:
py-tortoisehg: update to 5.6.

5.6: not documented

= TortoiseHg 5.5.2 =
TortoiseHg 5.5.2 is a regularly scheduled bug-fix release

== Bug Fixes ==

py3: fix a bytes + str concatenation when running the resolve tool (fixes #5596 \ 
(closed))
resolve: fix a bytes vs str issue when performing a merge without auto-resolve
bugreport: fix a bytes vs str issue for a SettingsDialog argument
wix: fix the 32-bit installation (fixes #5622 (closed))
py3: ensure qtlib._styles is str (ref #810, #5599 (closed))

= TortoiseHg 5.5.1 =
TortoiseHg 5.5.1 is a regularly scheduled bug-fix release
= TortoiseHg 5.5 =
TortoiseHg 5.5 is a quarterly feature release
== Bug Fixes ==

hgcommands: don't index **opts with bytes (fixes #5567 (closed))
fileview: fix UI freezes on newer version of QScintilla
py3: numerous python3 fixes

== Improvements ==

cleanup: remove BitBucket references
topics: improve support for the topic extension

= TortoiseHg 5.1 through 5.4.2 =
TODO