removed grid_cross class
doc
code cleaning
removed store_if and rename contains_range_access to is_iterable
moved arg/* in functional/
tests
more global function object: fn::tuple_get0..fn::tuple_get15
removed call() (prefered invoke())
removed pack class
new implementation of call_* functions (now invoke_*)
{unary,binary,mulary}_compose -> compose
move fn/tuple_get.hpp to tuple/tuple_get.hpp and rename tuple_getX by tX
removed arguments_wrapper
code cleaning
code cleaning and rename get,put,gets,sputs to sget,sput,sgetn,sputn
_aux -> aux_ and optimization
launches a compilation error if a rvalue not justified is used with istream
code cleaning
fixed compilation
test for iostreams::membuf