patch 0.7.0

Parse patches in the unified diff format
Documentation 
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diff -r 44299fd3d1a8 added_file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/added_file	Sun Oct 13 20:51:40 2013 -0300
@@ -0,0 +1,4 @@
+This was missing!
+Adding it now.
+
+Only for testing purposes.
\ No newline at end of file
diff -r 44299fd3d1a8 modified_file
--- a/modified_file	Sun Oct 13 20:51:07 2013 -0300
+++ b/modified_file	Sun Oct 13 20:51:40 2013 -0300
@@ -1,5 +1,7 @@
 This is the original content.
 
-This should be updated.
+This is now updated.
+
+This is a new line.
 
 This will stay.
\ No newline at end of file
diff -r 44299fd3d1a8 removed_file
--- a/removed_file	Sun Oct 13 20:51:07 2013 -0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,3 +0,0 @@
-This content shouldn't be here.
-
-This file will be removed.
\ No newline at end of file