Add -V/--validate command line switch (#31)

* add -V/--validate command line switch

* Return success/failure bool on CLI::stripKey

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Co-authored-by: Neo <321592+Neo-Desktop@users.noreply.github.com>

src/cli.h

@@ -44,9 +44,12 @@ public:
     static int validateCommandLine(Options* options, char *argv[], json *keys);
     static void printID(DWORD *pid);
     static void printKey(char *pk);
+    static bool stripKey(const char *in_key, char out_key[PK_LENGTH]);
 
-    int BINK1998();
-    int BINK2002();
+    int BINK1998Generate();
+    int BINK2002Generate();
+    int BINK1998Validate();
+    int BINK2002Validate();
     int ConfirmationID();
 };