more documentation and formatting

examples/example.rs

@@ -51,6 +51,10 @@ fn func1() -> ChainResult<(), Func1Error> {
 
 fn main() {
     if let Err(e) = func1() {
+        eprintln!("\nDebug Error {{:?}}:\n{:?}", e);
+
+        eprintln!("\nAlternative Debug Error {{:#?}}:\n{:#?}\n", e);
+
         match e.kind() {
             Func1Error::Func2 => eprintln!("Main Error Report: func1 error calling func2"),
             Func1Error::IO(filename) => {
@@ -66,9 +70,5 @@ fn main() {
             let ioerror = e.downcast_ref::<io::Error>().unwrap();
             eprintln!("\nThe root cause was: std::io::Error: {:#?}", ioerror);
         }
-
-        eprintln!("\nDebug Error:\n{:?}", e);
-
-        eprintln!("\nAlternative Debug Error:\n{:#?}", e);
     }
 }

examples/tutorial14.rs

@@ -1,7 +1,7 @@
 pub mod mycrate {
     use std::error::Error as StdError;
 
-    use func2mod::{do_some_io, func2};
+    use self::func2mod::{do_some_io, func2};
 
     pub mod func2mod {
         use std::error::Error as StdError;

examples/tutorial15.rs

@@ -1,7 +1,6 @@
 pub mod mycrate {
-    use std::io;
-
     use chainerror::prelude::v1::*;
+    use std::io;
 
     fn do_some_io(_f: &str) -> std::result::Result<(), io::Error> {
         Err(io::Error::from(io::ErrorKind::NotFound))?;