Update.

test/number/conversion.wren

@@ -0,0 +1,16 @@
+// retoor <retoor@molodetz.nl>
+
+System.print(65.toChar) // expect: A
+System.print(97.toChar) // expect: a
+System.print(48.toChar) // expect: 0
+
+System.print(255.toBase(16)) // expect: ff
+System.print(255.toBase(2)) // expect: 11111111
+System.print(255.toBase(8)) // expect: 377
+System.print(0.toBase(16)) // expect: 0
+System.print((-42).toBase(10)) // expect: -42
+System.print(35.toBase(36)) // expect: z
+
+System.print(255.toHex) // expect: ff
+System.print(10.toBinary) // expect: 1010
+System.print(8.toOctal) // expect: 10