Put the readers and writers in charles namespace

src/reader_yaml.hh

@@ -2,18 +2,18 @@
  * vim: set tw=80:
  * Eryn Wells <eryn@erynwells.me>
  */
+
+#ifndef __READERYAML_HH__
+#define __READERYAML_HH__
+
+#include "reader.hh"
+#include "scene.hh"
+
+namespace charles {
+
 /**
  * An input file reader for YAML files.
  */
-
-
-#ifndef __READER_YAML_HH__
-#define __READER_YAML_HH__
-
-#include "reader.hh"
-#include "scene.h"
-
-
 struct YAMLReader
     : public Reader
 {
@@ -21,9 +21,9 @@ struct YAMLReader
         : Reader(scene)
     { }
 
-    ~YAMLReader() { }
-
     ssize_t read_file(const std::string& filename);
 };
 
+} /* namespace charles */
+
 #endif /* __READER_YAML_HH__ */