Improved error handling for most calculations

app/imports/api/creature/computation/afterComputation/embedInlineCalculations.js

@@ -4,6 +4,6 @@ export default function embedInlineCalculations(string, calculations){
   let index = 0;
   return string.replace(/\{([^{}]*)\}/g, () => {
     let comp = calculations && calculations[index++];
-    return comp && comp.result;
+    return comp && comp.result ? comp.result : string;
   });
 }

app/imports/api/creature/computation/afterComputation/evaluateString.js

@@ -18,11 +18,6 @@ export default function evaluateString(string, scope, fn = 'compile'){
     errors.push(e);
     return {result: string, errors};
   }
-  // Parsing failed
-  if (node === null){
-    errors.push('...');
-    return {result: string, errors};
-  }
   let context = new CompilationContext();
   let result = node[fn](scope, context);
   if (result instanceof ConstantNode){