bugfix in isSubModule
Merge pull request #614 from surface-smoothers/spielwiese

bugfix in isSubModule - brace typo
fix: format
fix: n_Lcm is not n_NormalizeHelper
the second typo in ring.lib . Gotcha\!
Merge pull request #616 from surface-smoothers/spielwiese

the second typo in ring.lib . Gotcha\!
fix: an example is an exmaple, nothing more
fix: degree test for subst(ideal/module/matrix...)
fix: check for wrong args in eliminate:  eliminate(I,a(1..4))
introduced new tokens: cring, cnumber,cmatrix
Merge branch 'spielwiese' of github.com:Singular/Sources into spielwiese