importing from hearthhead works again (actually more reliable now)
deck tags in new deck section get cleared after a editing a deck (#69)
fixed deck tags not being set properly
added importing decks from clipboard, mainly for the use with arenavalue.com since I can't seem to get the required data from the website automatically.

text format: (Card Name)( x 2)?, one per line
added images for bananas, dreamcards and excess mana
refactoring

(hs related stuff -> subnamespace, renamed last "enemy" to "opponent", config sorted)
Added #71 (exporting of played cards)