parameters: (name, klass, instance=None, update_tryorder=1)
docstring: Register a browser connector and, optionally, connection.
docstring_summary: Register a browser connector and, optionally, connection.
docstring_tokens: Register a browser connector and optionally connection .
function: def register(name, klass, instance=None, update_tryorder=1):
      """Register a browser connector and, optionally, connection."""
      _browsers[name.lower()] = [klass, instance]
      if update_tryorder > 0:
          _tryorder.append(name)
      elif update_tryorder < 0:
          _tryorder.insert(0, name)
function_tokens: def register ( name , klass , instance = None , update_tryorder = 1 ) : _browsers [ name . lower ( ) ] = [ klass , instance ] if update_tryorder > 0 : _tryorder . append ( name ) elif update_tryorder < 0 : _tryorder . insert ( 0 , name )