Filter renaming

Author: JF

src/Filter.js

@@ -1,18 +1,18 @@
 // @flow
 
 /**
- * @property {string} name - The name of this field
+ * @property {string} variable - The variable of this field
  */
 export default class Filter {
   property: string;
-  filter: string;
+  variable: string;
 
   /**
    * @param {string}        property
-   * @param {string}        filter
+   * @param {string}        variable
    */
-  constructor(property: string, filter: string) {
+  constructor(property: string, variable: string) {
     this.property = property;
-    this.filter = filter;
+    this.variable = variable;
   }
 }