Added methods for raise-sheet and bury-sheet on sheet-parent-mixin.
Added methods for raise-sheet and bury-sheet on sheet-parent-mixin.

Added method for dispatch-repaint on standard-repaint-mixin.

onixie/mcclim,slyrus/mcclim,swflint/McCLIM,antifuchs/mcclim,onixie/mcclim,antifuchs/mcclim,swflint/McCLIM,onixie/mcclim,swflint/McCLIM,slyrus/mcclim