README and inspect cleanup.

Author: gkellogg

README.md

@@ -5,7 +5,6 @@
 [![Gem Version](https://badge.fury.io/rb/rdf-turtle.png)](https://badge.fury.io/rb/rdf-turtle)
 [![Build Status](https://travis-ci.org/ruby-rdf/rdf-turtle.png?branch=master)](https://travis-ci.org/ruby-rdf/rdf-turtle)
 [![Coverage Status](https://coveralls.io/repos/ruby-rdf/rdf-turtle/badge.svg)](https://coveralls.io/r/ruby-rdf/rdf-turtle)
-[![Dependency Status](https://gemnasium.com/ruby-rdf/rdf-turtle.png)](https://gemnasium.com/ruby-rdf/rdf-turtle)
 
 ## Description
 This is a [Ruby][] implementation of a [Turtle][] parser for [RDF.rb][].

lib/rdf/turtle/reader.rb

@@ -163,7 +163,7 @@ def each_triple(&block)
     # @return [RDF::Statement] Added statement
     # @raise [RDF::ReaderError] Checks parameter types and raises if they are incorrect if parsing mode is _validate_.
     def add_statement(production, statement)
-      error("Statement is invalid: #{statement.inspect.inspect}", production: produciton) if validate? && statement.invalid?
+      error("Statement is invalid: #{statement.inspect}", production: produciton) if validate? && statement.invalid?
       @callback.call(statement) if statement.subject &&
                                    statement.predicate &&
                                    statement.object &&