BUG -la.larry([True, False]) returns wrong answer.

Closes #51.

README.rst

@@ -122,9 +122,9 @@ After you have installed ``la``, run the suite of unit tests::
     >>> import la
     >>> la.test()
     <snip>
-    Ran 3062 tests in 1.408s
+    Ran 3063 tests in 1.408s
     OK
-    <nose.result.TextTestResult run=3062 errors=0 failures=0>
+    <nose.result.TextTestResult run=3063 errors=0 failures=0>
     
 The ``la`` package contains C extensions that speed up common alignment
 operations such as adding two unaligned larrys. If the C extensions don't

RELEASE.rst

@@ -44,6 +44,7 @@ la 0.6
 - #39 move_func(myfunc) did not pass kwargs to myfunc when method='loop'
 - #49 setup.py does not install module to load yahoo finance data
 - #50 la.larry([], dtype=np.int).sum(0), and similar reductions, choke
+- #51 -la.larry([True, False]) returns wrong answer
 
 Older versions
 ==============

la/deflarry.py

@@ -460,13 +460,13 @@ def clip(self, lo, hi):
         return y
 
     def __neg__(self):
-        "Return a copy with each element multiplied by minus 1."
-        y = self.copy()
-        y.x *= -1
-        return y
+        "Return a copy with each element switched with its negative."
+        label = self.copylabel()
+        x = self.x.__neg__()
+        return larry(x, label, validate=False)
 
     def __pos__(self):
-        "Return a copy with each element multiplied by 1."
+        "Return a copy."
         return self.copy()
 
     def abs(self):

la/tests/deflarry_test.py

@@ -432,8 +432,8 @@ def test_nan_replace_3(self):
         self.assert_((abs(t - p) < self.tol).all(), msg)
         self.assert_(noreference(p, t), 'Reference found')        
 
-    def test___neg__(self):
-        "larry.__neg__"
+    def test___neg__1(self):
+        "larry.__neg__1"
         t = np.array([[-1.0,-1.0],
                       [-1.0,-1.0],
                       [-1.0,-1.0]])
@@ -446,6 +446,13 @@ def test___neg__(self):
         self.assert_(label == p.label, printfail(label, p.label, 'label'))
         self.assert_(noreference(p, self.l), 'Reference found')
 
+    def test___neg__2(self):
+        "larry.__neg__2"
+        original = larry([True, False])
+        actual = -original
+        desired = larry([False, True])
+        ale(actual, desired, "__neg__ of bool", original=original)
+
     def test___pos__(self):
         "larry.__pos__"     
         t = np.array([[ 1.0, 1.0],