Fix images in docs

See merge request !118

Fixed an error with settings the defaults in ConditionallyMapStrings.

See merge request !117

Added two new output handlers.

See merge request !116

Added a second output handler, which compares the input string with up to 5 values. If any of these values matches the input, the result is mapped to a the given replacement string.

Added a new output handler, which sanitizes the input string be escaping typical special characters and replaces all newline characters by \n