By Joe Doe
Merge pull request #4 from Rafiki5/rafaliwko

OneDivX
CS
exponentiation
CS fix
Merge pull request #5 from mrugala88/neweq

Exponentiation added.
Merge branch 'spr'
Ax=b
CS
Merge pull request #8 from bulias/master

Ax=b
Merge branch 'spr'
Function 1 / (x*x - 1)
testOneDivX