Fix backslash python warnings

[glensc]

• \ s seemed like a typo, removed \
• \ge seems like a wanted macro, so using r block

reproducer:

$ howdy_store_credentials
howdy/core/core.py:1006: SyntaxWarning: invalid escape sequence '\ '
  """
howdy/core/core.py:1366: SyntaxWarning: invalid escape sequence '\g'
  """
ERROR, NO TMDB API CREDENTIALS FOUND

[glensc]

oh there are more of these. i guess this could be automated

❯ howdy_tv_gui
howdy/tv/tv.py:1006: SyntaxWarning: invalid escape sequence '\g'
  """
howdy/tv/tv.py:1126: SyntaxWarning: invalid escape sequence '\d'
  if re.match('^s\d{1,}e\d{1,}', toks[idx].lower( ) ) is not None:
howdy/tv/tv.py:1295: SyntaxWarning: invalid escape sequence '\ '
  """
howdy/tv/tv.py:1710: SyntaxWarning: invalid escape sequence '\g'
  """
howdy/tv/tv_torrents.py:32: SyntaxWarning: invalid escape sequence '\g'
  """
howdy/tv/tv_torrents.py:171: SyntaxWarning: invalid escape sequence '\g'
  """
howdy/tv/tv_torrents.py:262: SyntaxWarning: invalid escape sequence '\g'
  """
howdy/tv/tv_torrents.py:367: SyntaxWarning: invalid escape sequence '\g'
  """
howdy/tv/tv_torrents.py:455: SyntaxWarning: invalid escape sequence '\g'
  """
howdy/tv/tv_torrents.py:629: SyntaxWarning: invalid escape sequence '\g'
  """
howdy/tv/tv_torrents.py:719: SyntaxWarning: invalid escape sequence '\g'
  """
howdy/tv/tv_torrents.py:962: SyntaxWarning: invalid escape sequence '\g'
  """
howdy/tv/tv_torrents.py:1021: SyntaxWarning: invalid escape sequence '\('
  torFileNameAlt = ' '.join( re.sub('\(([0-9]+)\)', '', torFileName ).strip( ).split( ) )