Merge pull request #44 from mbuesch/versionfixes

Small fixes for version handling

Author: mithro

programmer/tinyprog/__init__.py

@@ -18,12 +18,13 @@
     __version__ = get_distribution(__name__).version
 except DistributionNotFound:
     # package is not installed
-    pass
+    __version__ = "unknown"
 
 try:
     from .full_version import __full_version__
-    assert __full_version__
-except (ImportError, AssertionError):
+    if not __full_version__:
+        raise ValueError
+except (ImportError, ValueError):
     __full_version__ = "unknown"