Bump to version 1.4.2

Change-Id: Ib5a71fc49e843d3a528302cb076e68fec51dc62e

BUCK

diff --git a/BUCK b/BUCK
index 5c488a1..6c87076 100644
--- a/BUCK
+++ b/BUCK
@@ -1,4 +1,4 @@
-VERSION = '1.4.1'
+VERSION = '1.4.2'
 SRC = 'java/com/googlecode/prolog_cafe/'
 
 REPL = [