added fs class

fs_class.py

@@ -0,0 +1,23 @@
+#/usr/bin/python
+def hash_file(path):
+
+class fs:
+    def __init__(self,top,db_path=None,hash_threshold=1024**2):
+        self.top=top
+        self.hash_threshold=hash_threshold
+        if db_path is not None:
+            self.db_path=db_path
+        else:
+            self.db_path = 'fs.db'
+
+    def from_db(self,top,db_path,_id=0):
+        pass
+
+    def write_to_db(self):
+        pass
+
+    def morph(self,other):
+        pass
+
+    def backup(self,other):
+        pass