Διάφορες μικροαλλαγές / random tweaks
Merge branch 'master' of C:/Users/Nikolas/Dropbox/CrosswordGenerator
Separator between words in same line or column

- Place dummy character at the ending of words to force words in same line or column apart.
- Used isalpha instead of regex for removing non-alpha words.
- Minor readability fix in importDictionary.