fix(ComponentInterface): rewritten call and callAny.
fix(ComponentInterface): rewritten call and callAny.

While rewriting the code, the variable cur which is supposed to go
throuhgh all elements in the range [args_begin, args_end) was never
incremented.

We are now more clear about variadic functions.  Two calls cannot be
subsumed if their number of arguments is different.

SRI-CSL/OCCAM,ashish-gehani/OCCAM,SRI-CSL/OCCAM,ashish-gehani/OCCAM,ashish-gehani/OCCAM,SRI-CSL/OCCAM,SRI-CSL/OCCAM,ashish-gehani/OCCAM,SRI-CSL/OCCAM