Escape regexp characters
Cleaned up/improved speed for find_the_search_term

find_the_search_term now split into:

- rows_too_long()
- append_to_list()

This makes the code cleaner by not using cumbersome recursion. Now speed is increased as sentences_to_quotes() no longer used twice.
works in /r/pureasoiaf added threading
Merge remote-tracking branch 'origin/Develop'