MIDI Editor - Music Sketchpad update

Here's what's new in MIDI Editor - Music Sketchpad:

• Import MIDI files from the other apps via Open in... *
• Triplets grid support added.
• It's now possible to create notes in edit mode via a pop-up menu.
• Edit mode is a default mode now.
• Bug fixes

* If a MIDI file consists of multiple tracks they will be imported as separate clips. At the moment maximum imported MIDI clip length is 32 bars.