Merge upstream branch and fix private methods to be protected
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 0e5b213..5fc4193 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -47,7 +47,9 @@
       get_compiled_insert(), get_compiled_update(), get_compiled_delete().
    -  Taking care of LIKE condition when used with MySQL UPDATE statement.
    -  Adding $escape parameter to the order_by function, this enables ordering by custom fields.
-   -  The PostgreSQL database driver now uses pg_version() for server version checking, when appropriate.
+   -  MySQLi driver now uses mysqli_get_server_info() for server version checking.
+   -  MySQLi driver now supports persistent connections when running on PHP >= 5.3.
+   -  PostgreSQL database driver now uses pg_version() for server version checking, when appropriate.
 
 -  Libraries
 
diff --git a/user_guide_src/source/general/styleguide.rst b/user_guide_src/source/general/styleguide.rst
index b3dc088..d8bdd05 100644
--- a/user_guide_src/source/general/styleguide.rst
+++ b/user_guide_src/source/general/styleguide.rst
@@ -441,6 +441,13 @@
 			// ...
 			}
 		}
+		
+	try {
+		// ...
+	}
+	catch() {
+		// ...
+	}
 
 **CORRECT**::
 
@@ -470,6 +477,15 @@
 			// ...
 		}
 	}
+	
+	try 
+	{
+		// ...
+	}
+	catch()
+	{
+		// ...
+	}
 
 Bracket and Parenthetic Spacing
 ===============================