Regenerate par files with Bazel 0.12
diff --git a/tools/piptool.par b/tools/piptool.par
index cd0445d..11ec453 100755
--- a/tools/piptool.par
+++ b/tools/piptool.par
Binary files differ
diff --git a/tools/whltool.par b/tools/whltool.par
index cab1f7d..7cb59c0 100755
--- a/tools/whltool.par
+++ b/tools/whltool.par
Binary files differ