Bug fix, in directive: processing only commented lines, and catch parsing errors

pipelet/directive.py

@@ -2,7 +2,10 @@ import shlex
 
 class Directive:
     def parse(self, code):
-        l = shlex.split(code)
+        try:
+            l = shlex.split(code)
+        except ValueError:
+            raise StopIteration()
         it = iter(l)
         if it.next() != self._name:
             raise StopIteration()

pipelet/repository.py

@@ -67,7 +67,7 @@ class Repository:
         c = self.get_code_string(seg)
         d = Direct()
         for l in c.splitlines():
-            if c[0] = "#":
+            if c[0] == "#":
                 continue
             try:
                 d.parse(l)