[python-arrow] Update sources to 0.4.2

[Pierre-YvesChibon]

commit 2bca3ce3adf3848352118b7e104800d6f162232e
Author: Pierre-Yves Chibon <pingou at pingoured.fr>
Date:   Wed Nov 27 12:07:50 2013 +0100

    Update sources to 0.4.2

 .gitignore |    1 +
 sources    |    2 +-
 2 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 7f6a5f6..912629b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /arrow-0.4.1.tar.gz
+/arrow-0.4.2.tar.gz
diff --git a/sources b/sources
index c0a0f1b..cda6bec 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-bbcd88f2105d4644730d2199d4e29953  arrow-0.4.1.tar.gz
+5caa8442fd3a84a5ad0155a1f626ef1d  arrow-0.4.2.tar.gz