Cleaned up Base62 ops and updated CHANGELOG

src/core/config/Categories.json

@@ -18,8 +18,6 @@
             "From Binary",
             "To Octal",
             "From Octal",
-            "To Base62",
-            "From Base62",
             "To Base64",
             "From Base64",
             "Show Base64 offsets",
@@ -27,6 +25,8 @@
             "From Base32",
             "To Base58",
             "From Base58",
+            "To Base62",
+            "From Base62",
             "To Base85",
             "From Base85",
             "To Base",