Fix #45: Newline in multi-line str produces SyntaxError instead of entering muliline edit mode
Fix #45: Newline in multi-line str produces SyntaxError instead of entering muliline edit mode

ddalex/python-prompt-toolkit,melund/python-prompt-toolkit,amjith/python-prompt-toolkit,jonathanslenders/python-prompt-toolkit,ALSchwalm/python-prompt-toolkit,jaseg/python-prompt-toolkit,niklasf/python-prompt-toolkit