Rearrange the types modules a bunch

src/types/char.rs

@@ -0,0 +1,26 @@
+/* types/char.rs
+ * Eryn Wells <eryn@erynwells.me>
+ */
+
+use std::any::Any;
+use super::value::{Value, ValueEq};
+
+#[derive(Clone, Copy, Debug, PartialEq)]
+pub struct Char(char);
+
+impl Char {
+    pub fn new(v: char) -> Char { Char(v) }
+}
+
+impl Value for Char {
+    fn as_value(&self) -> &Value { self }
+}
+
+impl ValueEq for Char {
+    fn eq(&self, other: &Value) -> bool {
+        other.as_any().downcast_ref::<Self>().map_or(false, |x| x == self)
+    }
+
+    fn as_any(&self) -> &Any { self }
+}
+