beta v0.05! (bug fixes, C plugins, Delay, gui improvements!)

C PLUGINS IN ACTION:

+ Added automation to C effects

+ Save internal c effects to folder on open

* Fixed knob bar name popup rendering behind things

* Fixed knob value saving bug in mixer slots with c plugins

* Fixed layout glitches of plugins

+ Added drag and drop .png onto window to set wallpaper

+ Added C effects (drop .c files in ./plugins/)

* Added black border to text rendering engine

* Fixed mixer gui input bug

+ Added selection line box around mixer slots in mixer

+ Added Chain effect

* Mixer is now fixed, no adding or removing slots anymore. You get 150 slots including Master

* Improved waveform rendering

* Improved EQ gui

* Improved EQ knobs (faster)

* Fixed envelope bug that caused crashes

+ Delay plugin