Update inflector docblocks, add changelog entry
diff --git a/system/helpers/inflector_helper.php b/system/helpers/inflector_helper.php
index 7261567..647d840 100644
--- a/system/helpers/inflector_helper.php
+++ b/system/helpers/inflector_helper.php
@@ -45,7 +45,7 @@
* Takes a plural word and makes it singular
*
* @param string
- * @return str
+ * @return string
*/
function singular($str)
{
@@ -110,7 +110,7 @@
*
* @param string
* @param bool
- * @return str
+ * @return string
*/
function plural($str, $force = FALSE)
{
@@ -166,7 +166,7 @@
* Takes multiple words separated by spaces or underscores and camelizes them
*
* @param string
- * @return str
+ * @return string
*/
function camelize($str)
{
@@ -184,7 +184,7 @@
* Takes multiple words separated by spaces and underscores them
*
* @param string
- * @return str
+ * @return string
*/
function underscore($str)
{
@@ -203,7 +203,7 @@
*
* @param string $str
* @param string $separator
- * @return str
+ * @return string
*/
function humanize($str, $separator = '_')
{