Post-jam patch!

With voting period ended, it's time for post-jam update. Mostly QoL and balance changes.

New features:

• You can now continue playing after beating the dragon - repeating the stages from the beginning, but enemies are getting stronger. Each time you defeat the Dragon, you gain a new item.
• You can see equipped items on unit buttons in Equipment and Blacksmith menus.
• You can now sort units based on stats.
• You can now pause and exit the game during battle and rest.
• You can go back to main menu and restart after losing (and winning).
• You can end turn by pressing Q.
• You can open menu by pressing ESC or TAB.

Balance:

Units:

• Units health growth has been reduced
• Experience required to level up after level 5 has been increased

Cards:

• Naginata - power increased
• Double Axe - power increased
• Spiral Staff - power of AoE part increased
• Spider Staff - power increased
• Flaming Head - added magic scaling
• Buckler - power increased
• Spiked Shield - power increased
• All basic staff weapons - slight power increase

Enemies:

• Mage Slime - reduced damage
• Dragon Knight - increased health
• Dragon Mage - increased health
• Dragon Elite - increased health, attack and defense
• Dragon Priest - increased health and magic
• Dragon - reduced attack, defense and magic

Bugfixes:

• Downloadable version of the game is no longer corrupt
• Cards should no longer be impossible to select on various browsers
• Game should no longer soft-lock during enemy turn if you skip turns really fast
• Damage values on some enemies were fixed
• Some enemies will now correctly use different moves when on low health
• Health is now removed immidiately after removing units
• Grey screen flashing during scene transition has been removed
• Dragon Mage countdown now properly grants him armor