Rename call data schema id to CallData.

Check for TypedArray when hashing data in order-utils crypto

packages/json-schemas/schemas/call_data_schema.ts

@@ -1,5 +1,5 @@
 export const callDataSchema = {
-    id: '/TxData',
+    id: '/CallData',
     properties: {
         from: { $ref: '/Address' },
         to: { $ref: '/Address' },

packages/order-utils/src/crypto.ts

@@ -32,7 +32,7 @@ export const crypto = {
                 argTypes.push('address');
             } else if (_.isString(arg)) {
                 argTypes.push('string');
-            } else if (_.isBuffer(arg)) {
+            } else if (_.isBuffer(arg) || _.isTypedArray(arg)) {
                 argTypes.push('bytes');
             } else if (_.isBoolean(arg)) {
                 argTypes.push('bool');