add solve, constraints, and many vector operations
fix cache bug
make object array member inst/o inherited class
move eventloop into static method
introduce log levels
fix boundary condition
restrict asarray to 1to1 maps and optimize
remove deprecated info argument
replace set_precon by add_precon_left/right
introduce reset and log releases
reverse log level ordering
add operator chaining, change set_prec to add_prec
skip over zero entries in matrix_add_block
go crazy with c++11 auto
use c++11 iteration where possible
move nan-setting code from solve to supp_to_nan
change matrix_supp_to_nan to vector_nan_from_supp
auto select gmres/cg
fix typo
simplify funcnames construction