Merge pull request #4 from aturetta/master

fix: do not match {}, only ${}

properties/p.py

@@ -82,7 +82,7 @@ def __evaluate_properties(self, key):
         else:
             val = key
 
-        evalset = set(re.findall(r'(?<={)[^}]*(?=})', val))
+        evalset = set(re.findall(r'(?<=\${)[^}]*(?=})', val))
 
         try:
             # If the set is empty. This is the final value. return it