Plus operator for string concatenation, #890
fixup for sp_rowcol
Fixing bug in solve, unittests
#892: reverting to ExternalFunction
Tentative fix for #888: compiler warnings
Concerning #892: more reversions to ExternalFunction
Concerning #892: more reversions to ExternalFunction
automatic documentation update
Concerning #891: sparsity and complexity of matrix_tools solve
automatic documentation update
Clarifying #896: HESSLAG_LAM_F
automatic code generation
Fixed swig interface, #884
Merge branch 'develop' of github.com:casadi/casadi into issue_884

Conflicts:
	symbolic/CMakeLists.txt
	symbolic/fx/fx_internal.cpp
Removed arguments from FXInternal::evaluate, #884
Updated fx.py tests, #884