NTK: Don't keep unneeded clients in session when switching.
wscript: Fix for Python3.
FL/New_Project_Dialog: Don't crash if aborted.
Mixer: Allow creation of mix before creation of project.

Closes #10.
Mixer: Save settings for 'Rows' with project.

Closes #48.
NSM: Add timestamp to status log.
NSM: Write server unresponsiveness to status log instead of popping up an alert window.
NSM: Add quit button/keybinding.
Timeline: Draw punch/playback/edit cursors in the overlay plane.
Mixer: Clean up connection DND behavior.
Mixer: Allow drag and drop for moving mixer strips.
Timeline: Allow drag and drop moving of tracks.
Timeline: Fix overlay drawing.
Mixer: Improve knob and slider appearance.
Timeline: remove extra fl_pop_clip().
Mixer: Allow copy/paste of mixer strips (even between instances).
Mixer: Fix connection DND.
OSC: Rename OSC method when signal is renamed.