Signature help bug fixes

* escape signature help * add missing return

Author: phil-nelson

rplugin/python3/LanguageClient/state.py

@@ -172,14 +172,15 @@ def echo_signature(signature: str, activeParameter: str = None) -> None:
  """
  if activeParameter is None:
  echo(signature)
+ return
  parts = signature.split(activeParameter, 1)
  if (len(parts) != 2):
- # active paramter is not part of a signature
+ # active parameter is not part of a signature
  echo(signature)
  return
  [begin, end] = parts
  execute_command("echon '{}' | echohl Bold | echon '{}' | echohl None | echon '{}'".format(
- begin, activeParameter, end
+ escape(begin), escape(activeParameter), escape(end)
  ))