fix ar <regsize>
Fix: the 'iz' command was break due to a bad format string passed to r_cons_printf. (PFMT64 to print a ut32 integer)
Fix the 'is' command, which is broken due to a bad format string passed to r_cons_printf. (PFMT64 with UT32 value)
Some fix in the ELF parser
New functions used to prevent integer overflow when add, sub or mul
Fix an out of bound in r_buf_fcpy_at
Fix: floating point exception in UTX_MUL functions
Fix cherrypull commit order