Ap |char* |scan_vstring |NN const char *vstr|NN SV *sv
Apd |const char* |scan_version |NN const char *vstr|NN SV *sv|bool qv
Apd |SV* |new_version |NN SV *ver
-Apd |SV* |upg_version |NN SV *ver
+Apd |SV* |upg_version |NN SV *ver|bool qv
Apd |bool |vverify |NN SV *vs
Apd |SV* |vnumify |NN SV *vs
Apd |SV* |vnormal |NN SV *vs