Fix version number

Change-Id: I6ca638325ff7380856dfde0f13ff1d67c496c38c
diff --git a/lib/Kalamar.pm b/lib/Kalamar.pm
index 0998ed9..9fa02a0 100644
--- a/lib/Kalamar.pm
+++ b/lib/Kalamar.pm
@@ -8,7 +8,7 @@
 use List::Util qw!none uniq!;
 
 # Minor version - may be patched from package.json
-our $VERSION = '0.56';
+our $VERSION = '0.57';
 
 # Supported version of Backend API
 our $API_VERSION = '1.0';