Add new function add_array and add_hash #374

The are a copy of the current implementation of set_array and set_hash. This is a preparation for #309

Author: TobiasNx

metafix/src/main/java/org/metafacture/metafix/FixMethod.java

@@ -164,12 +164,29 @@ public void apply(final Metafix metafix, final Record record, final List<String>
 
     // RECORD-LEVEL METHODS:
 
+    add_array {
+        @Override
+        public void apply(final Metafix metafix, final Record record, final List<String> params, final Map<String, String> options) {
+            final String field = params.get(0);
+            final Value newValue = newArray(params.subList(1, params.size()).stream().map(Value::new));
+            record.set(field, newValue);
+            newValue.asArray().forEach(value -> value.withPathSet(newValue.getPath() + "." + value.getPath()));
+        }
+    },
     add_field {
         @Override
         public void apply(final Metafix metafix, final Record record, final List<String> params, final Map<String, String> options) {
             record.set(params.get(0), new Value(params.get(1)));
         }
     },
+    add_hash {
+        @Override
+        public void apply(final Metafix metafix, final Record record, final List<String> params, final Map<String, String> options) {
+            final String field = params.get(0);
+            final Value newValue = Value.newHash(h -> options.forEach((f, v) -> h.put(f, new Value(v))));
+            record.set(field, newValue);
+        }
+    },
     array { // array-from-hash
         @Override
         public void apply(final Metafix metafix, final Record record, final List<String> params, final Map<String, String> options) {