changed generate-panes algorithm to allow pane constructor functions
changed generate-panes algorithm to allow pane constructor functions

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