* Spaceball cleanup and small bug fix
* Replace old hit sound in spaceball
* Camera filters
* added 9 new filters, including 3 types of sepia
* oops
* remark
* normalization of fade out and fade in on filters are by 100
* GenerateFilterTypeEnum comments
* Pure black and white filter
* Zooming
* Constant playback bar offset
* Prepare box selector rewrite
* Update icons, finalize
* prep UI for chart section
* all special layers now on one area
todo: have buttons toggle between special layers (selection mode shows all?), use the tabs system for this
* swapping between special timelines - prelim
* special entities can be placed
* spec. timeline base functions complete
music volume changes should work now
* attempt at input lag reduction
needs testing
* fix dsp issues
* smaller DSP buffer?
* Revert "smaller DSP buffer?"
This reverts commit 9d36db5ff9.
* make conductor clock use real time (double)
change order of execution of input-related scripts to further attempt a reduction in input latency
* start values can be changed
make the old special entity bar visible when the corresponding type is selected
* creation of Chart Sections (TODO: GO REFERENCE)
* added GO references
* section edit dialog
* disable wrapping on chart section obj
* backspace can now delete entities
* entities don't shift when duplicated
* fix PlayerActionEvent order of operations
- fixed remix loading trying to clear special timeline while it's writing to itself
* make oop check match parity
* more operation order fix
* fix Karate Man BG initialization
* show section progress in editor
todo: section progress in-game
* more fix for entity duping
