Cleanup build_new, remove unneeded try-with and debug interaction of on_morphisms and under_lambdas.
Cleanup build_new, remove unneeded try-with and debug interaction of
on_morphisms and under_lambdas.


git-svn-id: 44dc50bdcc0f5d1a212c497508dc9452e0b35e2b@10952 85f007b7-540e-0410-9357-904b9bb8a0f7

silene/coq,JasonGross/coq,gares/coq,SkySkimmer/coq,aspiwack/coq,herbelin/github-coq,mattam82/coq,ppedrot/coq,ppedrot/coq,maximedenes/coq,jhjourdan/coq,barras/coq,jhjourdan/coq,maximedenes/coq,silene/coq,Lionel-Rieg/coq,Matafou/coq,ejgallego/coq,JasonGross/coq,Zimmi48/coq,asr/coq,silene/coq,william-lawvere/coq,8l/coq,ale-f/coq,SkySkimmer/coq,pirbo/coq,mattam82/coq,ale-f/coq,tomprince/coq,william-lawvere/coq,Zimmi48/coq,Lionel-Rieg/coq,SkySkimmer/coq,herbelin/coq-hh,mlasson/coq,TheTypoMaster/coq,pirbo/coq,mattam82/Coq-misc,letouzey/coq-wip,amintimany/coq,tomprince/coq,gares/coq,letouzey/coq-wip,gares/coq,shindere/coq,Zimmi48/coq,ejgallego/coq,barras/coq,amintimany/coq,shindere/coq,jpdeplaix/coq,TOSPIO/coq,asr/coq,TheTypoMaster/coq,maximedenes/coq,coq/coq,8l/coq,aspiwack/coq,jhjourdan/coq,mlasson/coq,pirapira/coq2rust,amintimany/coq,mlasson/coq,JasonGross/coq,ppedrot/coq,ejgallego/coq,coq/coq,herbelin/github-coq,coq/coq,TOSPIO/coq,herbelin/coq-hh,pirbo/coq,letouzey/coq-wip,herbelin/github-coq,coq/coq,gmalecha/coq,tomprince/coq,ale-f/coq,gmalecha/coq,gares/coq,barras/coq,jpdeplaix/coq,pirapira/coq2rust,letouzey/coq-wip,letouzey/coq-wip,mattam82/coq,Matafou/coq,Lionel-Rieg/coq,shindere/coq,maximedenes/coq,gmalecha/coq,Ptival/coq,JasonGross/coq,asr/coq,maximedenes/coq,ejgallego/coq,8l/coq,jpdeplaix/coq,gares/coq,mattam82/Coq-misc,ppedrot/coq,ppedrot/coq,william-lawvere/coq,TheTypoMaster/coq,Ptival/coq,aspiwack/coq,SkySkimmer/coq,Matafou/coq,Zimmi48/coq,Ptival/coq,pirapira/coq2rust,TOSPIO/coq