move Timer to headers
promote Rcpp_init.c to Rcpp_init.cpp
ignoring inst/lib
cosmetics
using C++ linkage
abandon alternative protection stack code
mv sexp_to_name(TYPE(.)) -> type2name(.)
Evaluator::run -> Rcpp_eval
moved try_catch to inline functions
using Rcpp_eval instead of try_catch
moved random number generators to headers
move Rostream to headers
added PreserveStorage policy class
started to mark function to be registered
added policy classes used to compose RObject
rm unsued RObject meat file
move RObject methods to policy classes
move Function to headers
moved grow to inline functions in headers
moved Promise to headers