Feat: MOnumber creating with a integer string

mapytex/calculus/core/MO/atoms.py

@@ -132,12 +132,15 @@ class MOnumber(Atom):
             Atom.__init__(self, value)
         else:
             try:
-                float(value)
+                v = float(value)
             except (ValueError, TypeError):
                 raise MOError(
                     "The value of an MOnumber need to be a int, a float, a Decimal or a decimal string",
                     f"(got {type(value)})",
                 )
+            else:
+                if int(v) == v:
+                    Atom.__init__(self, int(v))
                 else:
                     Atom.__init__(self, Decimal(value))