Echo Pad - Multi Effects Processor update

Here's what's new in version 1.4.6:

• updated graphics
• new Wow and Flutter slider emulates subtle pitch shifts that occur on vintage tape echoes due to slight mechanical tape speed fluctuations, worn tape, etc.
• To access Wow and Flutter, touch and hold the BLUE control ring for 0.5 second. Touch and hold again to hide the panel of sliders.
• minor bugfixes