Add a new optional block to showNotification that gets called right before the notification is actually shown. Useful for synchronizing audio / vibration when multiple notifications are queued.
tabs->spaces
Merge remote-tracking branch 'upstream/master'
CR feedback: rename showBegin to appearance to better fit existing API, reorder parameters to reduce dissonance.
displayNotification: Add missing nil check, better whitespacing.
Merge pull request #94 from NeighborlyLabs/master

Add new 'appearance' optional block, constructors to enable proper syncing of sound/vibration with queued notifications.