declared and installed two methods for RandomMatrix

using RandomMatrixBetweenGradedFreeLeftModulesWeighted
Declared and installed GetMonic
Merge pull request #16 from wagh/devel

Declared and installed GetMonic
Declared and installed property IsMonicUptoUnit for homalg ring elements
Merge pull request #17 from wagh/devel

Declared and installed property IsMonicUptoUnit for homalg ring elements
Declared and installed GetMonicUptoUnit for a homalg ring element
Merge pull request #19 from wagh/devel

Declared and installed GetMonicUptoUnit for a homalg ring element
Take care of special cases for GetMonic and GetMonicUptoUnit
Merge pull request #21 from wagh/devel

Take care of special cases for GetMonic and GetMonicUptoUnit
declared and installed NoetherNormalization for matrices
Fixed bug in GetMonic and GetMonicUptoUnit for rings with basering
Merge pull request #23 from wagh/devel

Fixed bug in GetMonic and GetMonicUptoUnit for rings with basering