Popochiu 2.0 Alpha 4

New features

Added is_pixel_art_game property to ProjectSettings. When selecting Pixel in Game type (setup popup) the default texture filter is set to TEXTURE_FILTER_NEAREST for props, characters and inventory items.
NPC's follows the player when the follow_player property is true. Thanks to @JuannFerrari .
Add `v_frames`` property to PopochiuProp.
Add settings option to set a pixel perfect game. When true, the cursor moves in whole pixels (thanks to @Whyshchuck ).
The cursor sprite doesn't leave the viewport when the mouse pointer leaves the game window.

Audio Cues: Checking "loop" renders sound silent. Thanks to @JuannFerrari .
Setting an inventory item as active with add_as_active makes the cursor take the appearance of the item.
Devs can select items to start with in the Main tab.

Updated the maximum size of the plugin popups in an attempt to improve the UX of Mac users.