Segments
Moved here todo list from #26 (closed):

fix getSerializationType
the same way as inArray

rename the method setCompressedRowLengths to setRowCapacities 
implement sparse matrices using Segments 
implement CSR matrix and Ellpack matrix using the Segments, use existing unit tests for debugging 
implement set/addRow using VectorView and lambda functions


implement "Lambda matrix"  the element values are given by a lambda function 
implement constructor from initializer list to DenseMatrix 
implement method for setting elements from initializer list to sparse matrix 
implement constructor and method for setting elements from std::map similar to initializer list to sparse matrix
Edited by Tomáš Oberhuber