fixups with AltLU
enhance AltLu tests
fix typos
comment out broken AltLU tests
minor AltLU refactoring
Merge pull request #41 from prasant94/develop

add hasUncountable method
modify LU decomposition according to API
remove computeSingular from decompose method in AltLU
add IllegalArgumentException to isSingular
resolve conflicts in pull"
Merge pull request #42 from prasant94/LUDecomp

Modified LU decomposition so it aligns with the API
add isSingular and computeDeterminant to LUPResult
modifications suggested by mike
Merge branch 'develop' of https://github.com/mikera/vectorz into LUDecomp
fix docs
Merge pull request #43 from prasant94/LUDecomp

add isSingular and computeDeterminant to LUPResult
fix getP bug