adjust the README

inheritance is broken! forgot to actually test it with my changes.

README.md

@@ -6,24 +6,28 @@ An easy way to define Python exceptions.
 use pyexc::PythonException;
 
 #[derive(PythonException)]
-pub enum MyExceptions {
+pub enum MyBaseException {
     #[base(module = "errors")]
     #[format("Hello")]
-    Foo,
+    Base,
     #[format("World")]
     Bar,
     #[format("!")]
     Baz,
 }
 
+// Inheritance is experimental!
+
 #[derive(PythonException)]
-pub enum MySubExceptions {
-    #[base(module = "other_errors", inherits = "MyExceptions.Foo")]
+pub enum MySubException {
+    #[base(module = "other_errors", inherits = "errors.MyBaseException")]
     #[format("Error!")]
-    FooFoo,
+    BaseBase,
     #[format("SEGFAULT")]
     FooBar,
     #[format("Fatal!")]
     FooBaz,
 }
 ```
+
+Allows usage in ``Result``, as well as providing a generally Rust-like interface for Python exceptions.