sync versions LRB YM
Add filter curve & dot (glyph)
Merge branch 'fix_#31' of https://github.com/byte-foundry/prototypo
debug curves
Merge branch 'fix_#31' of https://github.com/byte-foundry/prototypo
serif-bottom-right V0.9

add all functions serif-bottom-right
  + add ‘serif terminal curve’ slider

modif. curve funxtion
+add glyphs & functions

add _M, b, c, m, n
  + add sliders: optic roundness, optic thickness (buggy),
serifRoundness
  +  modify curve() (now accepts beziers exception)
Merge branch 'master' of github.com:byte-foundry/prototypo
component.firstSegment and component.lastSegment should be inverted in an inverted component
get rid of "before/after" and "cut" formulas, implement "replace" and "add" formulas
resolve conflicts
"replace" components should no be as capable as "cut" components
+ remove "before/after" and "cut" components
fix various bugs that were not properly tested