Implement functions, arrays, maps, and while loops. Document and clean up code.

test.scpt

@@ -28,4 +28,36 @@ if (bool "true") {
 This is a multiline comment
 ###
 
-# This is a single line comment
+# This is a single line comment
+
+set hi to ["testovich", 3]
+
+set hi[0] to "testo"
+
+print $hi[0]
+
+set hi to (append $hi with items [5, 4])
+
+print {$hi[2] + $hi[3]}
+
+set msi to [5: "hi", "hello": "world"]
+set msi[5] to "hello"
+print $msi[5]
+print $msi["hello"]
+
+set c to 0
+set f to true
+loop while $f {
+    set c to {$c + 1}
+    if {$c == 3} {
+        set f to false
+    }
+    print {"iter: " + (str $c)}
+}
+
+define hi {
+    print {"Hello, " + $_args[""]}
+}
+
+hi "Function"
+hi "World"