Adding string indexing to io_interface, #625
IOHelper functions now return a struct instead std::vector. This allows to pass on meta-information about the Scheme., #625
Concerning #625, changing all python examples to string input/output
Added a warning for excessive number of inputs or outputs, #639
Resolved memory bottleneck in FXInternal, #639
automatic documentation update
Added OP_SQ atomic operation
Updated options for shallow water example
automatic documentation update
Generalized Densification to SetSparse
Renamed CRSSparsity::patternUnion -> CRSSparsity::patternCombine
Reorganized patternCombine
Introduced new patternCombine
Simplified patternCombine
Simplified patternCombine (2)
Refactored Matrix::matrix_matrix
Refactored BinaryMX, removed SparseSparseOp
Refactored BinaryMX, made templated
Refactored BinaryMX: Removed code duplication
Finishing #625