Fix bugs when there is more than 10 features

Author: Florian Gardin

skrules/rule.py

@@ -1,6 +1,11 @@
+import re
+
 def replace_feature_name(rule, replace_dict):
-    for key, value in replace_dict.items():
-        rule = rule.replace(key, value)
+    def replace(match):
+        return replace_dict[match.group(0)]
+
+    rule = re.sub('|'.join(r'\b%s\b' % re.escape(s) for s in replace_dict),
+           replace, rule)
     return rule
 
 class Rule: