Fixed the example and tests to use the new Converter trait.

Transmutable was changed to Converter. This needed to be reflected in
the example and tests.

Also, fixed some comments in the new transmutable module.

src/transmutable.rs

@@ -6,7 +6,9 @@ use ::endian::{BigEndian, LittleEndian, PlatformEndian, Endianess};
 
 
 
-/// Handles the repetative 
+/// Handles the repetative endianess matching
+/// for the primitive number types when converting
+/// a number to bytes.
 macro_rules! handle_endianess_to_bytes
 {
    ($buffer: ident, $val: ident, $endianess: ident, $func: ident) =>
@@ -36,6 +38,9 @@ macro_rules! handle_endianess_to_bytes
    }
 }
 
+/// Handles the repetative endianess matching
+/// for the primitive number types when converting
+/// a number from bytes.
 macro_rules! handle_endianess_from_bytes
 {
    ($buffer: ident, $endianess: ident, $func: ident) =>
@@ -358,3 +363,5 @@ impl Transmutable for f64
       handle_endianess_from_bytes!(buffer, endianess, bytes_to_f64)
    }
 }
+
+