write/read properties
some additions on block 6x6 stiff matrix tests not passed!
bugfixes and new features. all tests passed
Bug fix in create incomplete chol in block6x6
add many const methods, add write/read to block6x6 matrix
bug fix in NodesData and SolutionBundle readWrite
some const meth and improve smart ptr macro
Merge branch 'origin/develop'
constness of mesh write method
Copyed array to const
Initial on New method for auto creation of stiffness matrix