added package structure

bstrd/bsvar.py

@@ -0,0 +1,25 @@
+
+class BSVar:
+
+    def __init__(self, name, cache):
+        self.name = name
+        self.cache = cache
+
+    def get(self):
+        return self.cache.data.get(self.name)
+
+    value = property(get)
+
+    def __repr__(self):
+        return f"{self.name} = {self.value}"
+
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        next(self.cache)
+        return self.get()
+
+
+