Added initial prototype of dense linear systems testsW
Working test suite. Input tests have not been verified yet
Added results for inoput tests of dense linear systems
Added sparse linear systems as dense linear systems
Added input and output tests. The output tests have been verified but the input tests have to be manuallt checked
Sparse linear systems with new input and output tests. These tests have been verified
Added data sets into PCA tables.yaml
Update test input answer files