Release 0.57.2 - Githubissues

This PR contains all of the changes from MPF 0.57.1 to 0.57.2

Switch ignore_during_ball_search: config option to prevent false positives during searches
Switch support for playfield: config option to propagate to devices (drop targets, shots, etc.)
Playfield enable_ball_search: now supports templates, e.g. settings.enable_ball_search==1
OPP: Support for WING_SOL_8 wings with up to 32 solenoids
Virtual Pinball: Support for segment displays
Spinners: max_events_per_second: config option to reduce event load during spins

Playfield playfield_active event now includes the source of the active trigger
Better (more reliable) suppression of switch hits from Drop Target firings during ball search with switch.mute()
Better error messaging for ball search on a playfield without iterator devices
Ball devices that mark playfield active can now inherit the playfield from their switch
Switches no longer post active events during startup
Shows now include debug logging for starting, stopping, and pausing

Fixed a bug in ball search phase/iteration counting that miscounted the number of phases and iterations to perform
Fixed a bug in FAST LED channel numbering for rolling over channel offsets

missionpinball / mpf