implement reference counting and much more (#43)

test/test_functions.py

@@ -0,0 +1,32 @@
+import orchpy
+
+import numpy as np
+
+# Test simple functionality
+
+@orchpy.distributed([str], [str])
+def print_string(string):
+  print "called print_string with", string
+  f = open("asdfasdf.txt", "w")
+  f.write("successfully called print_string with argument {}.".format(string))
+  return string
+
+@orchpy.distributed([int, int], [int, int])
+def handle_int(a, b):
+  return a + 1, b + 1
+
+# Test aliasing
+
+@orchpy.distributed([], [np.ndarray])
+def test_alias_f():
+  return np.ones([3, 4, 5])
+
+@orchpy.distributed([], [np.ndarray])
+def test_alias_g():
+  return test_alias_f()
+
+@orchpy.distributed([], [np.ndarray])
+def test_alias_h():
+  return test_alias_g()
+
+# Test reference counting