A bunch of bugfixes from reported and found bugs!

Bugfixes
-Fixed Eillana's eyes not closing properly when kissing
-Fixed Eillana's Room achievement, as well as the ending achievement, not being properly registered upon completing their scenes
-Fixed Minigames sometimes starting with odd reversal timers or breaking stats, particularly with Ilia's
-Fixed Ilia's Hard minigame not loading properly
-Fixed Eillana's Pregnancy Selection screen displaying as "Anya's House" in the save load screen
-Fixed Ilia's Pregnancy Selection screen displaying as "Olivia's House"
-Fixed the final scene not playing properly upon completing Ilia's Minigame
-Fixed the gallery not properly unlocking upon completing the game
-Fixed the cheat menu being pulled off-camera when loaded using C during minigames
-Fixed Ilia's minigame not playing the proper win/loss dialogs for her hard mode challenge
-Fixed Ilia and Olivia's hard mode minigame achievements not properly registering upon completion

Additions
-Added a full-screen toggle to the options menus for better support.

Known Issues:
-Eillana's standing bust has some slight jerking when changing expressions
-Clothing flickers in at times when the standing busts are used in minigames
-Occassionally training sessions are getting marked cleared when they're not cleared yet, or vice-versa
-Animation errors regardings arms in certain cowgirl animation scenes
-Ilia's emotes and expressions during certain scenes aren't playing properly
-Ilia's tail drain animation sometimes breaks and has unnatural gaps between the tip and base
-The fullscreen button sometimes has toggle-state issues that makes it require two presses to properly change settings