Log Message:
Updated py-tortoisehg to 4.2.

TortoiseHg 4.2

TortoiseHg 4.2 is a regularly scheduled (quarterly) feature release, coinciding \ 
with Mercurial 4.2

Bug Fixes

    customtools: do not crash by tool name containing dot (fixes #4740)
    revdetails: convert issue patterns to unicode (fixes #4737)
    win32: fix XLS hack in docdiff (refs #4540)

Improvements

    archive: allow to archive "all files touched since X"
    merge: respect 'merge-pattern' config when merging (fixes #1928)
    status, repo: remove unnecessary invalidation (fsmonitor compatibility)

Installer

    packaged with Mercurial 4.2 + 3 stable commits and one WIX fix commit
    updated keyring and evolution