chg: option IDLIFT to speed up liftstd (2 args)
fix: s_internalDelete assumes: data!=NULL
chg: new tropical.lib version by thomas

mainly includes changing "int / int" to "int div int"
Merge pull request #449 from YueRen/master

chg: new tropical.lib version by thomas
fix: version-string of tropical.lib
fix version string description
fix: missing compoments in normal (Santiago Laplagne)
add: doc ring dep. data in ringlist (tr.542)
fix: new grobcov.lib (a.montes)
typo
typo
doc: ASSUME in libs
fix: file format
doc: apply
fix: example for apply
code cleanup
fix: int(27/2-1/2) coruupts memory