diff --git a/src/configparser.py b/src/configparser.py
index 2deb3d0f..64b30b25 100644
--- a/src/configparser.py
+++ b/src/configparser.py
@@ -1,7 +1,15 @@
-from ConfigParser import SafeConfigParser
+from ConfigParser import SafeConfigParser, ConfigParser
 
 class BMConfigParser(SafeConfigParser):
     def set(self, section, option, value=None):
-        if value is not None:
-            value = value.replace('%', '%%')
-        return SafeConfigParser.set(self, section, option, value)
+        if self._optcre is self.OPTCRE or value:
+            if not isinstance(value, basestring):
+                raise TypeError("option values must be strings")
+        return ConfigParser.set(self, section, option, value)
+
+    def get(self, section, option, raw=False, vars=None):
+        return ConfigParser.get(self, section, option, True, vars)
+
+    def items(self, section, raw=False, vars=None):
+        return ConfigParser.items(self, section, True, vars)
+