Correctly propagate frontend call warnings (fixes #211)

Change-Id: Ia571b8e6b0ba0a4edbf0501254ce2bc115f18cf6
diff --git a/lib/Kalamar.pm b/lib/Kalamar.pm
index 31cefb6..2afe546 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 = '0.54';
+our $VERSION = '0.55';
 
 # Supported version of Backend API
 our $API_VERSION = '1.0';