Update docstrings in get_filepath_df

[JohannesWiesner]

Forgot to put docs of must_not_containy_any and must_not_contain_all also in get_filepath_df:

nisupply/nisupply/io.py

Lines 156 to 203 in 141697e

	def get_filepath_df(src_dir,regex_dict=None,**kwargs):
	'''Find files in one ore multiple directories.
	Parameters
	----------
	src_dir: list-like of str, str
	One or multiple source directories that should be searched for files
	regex_dict: dict
	A dicionary where the keys denote names of new columns that should be
	added to the dataframe and the values denote regex-patterns. If
	a regex-pattern contains a capture group, the group will be returned,
	otherwise the whole match. If no match could be found np.nan will be
	returned.
	Default: None
	file_suffix: str, tuple of strs
	One or multiple strings on which the end of the filepath should match.
	Default: None
	file_prefix: str, tuple of strs
	One or multiple strings on which the beginning of the filepath should match.
	Default: None
	exclude_dirs : str, list of str, None
	Name of single directory or list of directory names that should be ignored when searching for files.
	All of the specified directories and their child directories will be ignored.
	Default: None
	must_contain_all: str, list of str
	Single string or list of strings that must all appear in the filepath
	Default: None
	must_contain_any: str, list of str
	Single string or list of strings where any of those must appear in the filepath
	Default: None
	case_sensitive: Boolean
	If False, all files will be converted to lower-case letters first before
	applying search conditions.
	Default: True
	Returns
	-------
	filepath_df: pd.DataFrame
	A data frame with a 'filepath' column and optionally other columns
	defined using regular expressions.

This might even not be necessary because modern IDEs can simply get the docs from find_files so we don't have to rewrite them one more time in get_filepath_df?