Adding the pseudocode of the _n2xdig method

noid.py

@@ -97,6 +97,28 @@ class Minter():
             self.active_counters.append(c)
             t -= self.percounter
 
+    def _n2xdig(self, num) -> str:
+        # 1. Initialize s to ''
+        # 2. Déclare div, remainder and c
+        # 3. Confirm well-formedness of mask
+        # 4. Initialize varwidth to 0, the fixed width part of the mask
+        # 5. Initialize rmask (reverse mask)
+        # 6. While n != 0 OR not varwidth
+        #    - if not varwidth
+        #      - take a character from the rmask
+        #      - if c is not defined or c is r or s
+        #        - end the loop
+        #      - if c is equal to e then div is equal to alphacount
+        #      - if c is equal to d then div is equal to digitcount
+        #      - if c is equal to z then varwidth become 1 and we keep the same div value
+        #      - if c is equal to k then we keep the same div value
+        #   - remainder <- num %div
+        #   - num <- int(num / div)
+        #   - s = self.legalstring[remainder] + s
+        # 7. if mask contains a 'k' then add a '+' at the end of s
+        # 8. return s
+        return ""
+
 
 if __name__ == "__main__":
     pass