fix regression bug introduced by .and()/.or() implementation

lib/dialects/abstract/query-generator.js

@@ -908,7 +908,7 @@ module.exports = (function() {
           if (treatAsAnd) {
             return treatAsAnd
           } else {
-            return !(arg instanceof Date) && ((arg instanceof Utils.and) || (arg instanceof Utils.or) || Utils.isHash(arg) || Array.isArray(arg))
+            return !(arg instanceof Date) && ((arg instanceof Utils.and) || (arg instanceof Utils.or) || Utils.isHash(arg))
           }
         }, false)
 

test/dao-factory/and-or-where.test.js

@@ -119,6 +119,15 @@ describe(Support.getTestDialectTeaser("DAOFactory"), function () {
       })
     })
 
+    it('still allows simple arrays lookups', function (done) {
+      this.User.find({
+        where: ["id IN (?) OR id IN (?)", [1, 2], [3, 4]]
+      }).on('sql', function(sql) {
+        expect(sql).to.contain("id IN (1, 2) OR id IN (3, 4)")
+        done()
+      })
+    })
+
     ;(['find', 'findAll']).forEach(function(finderMethod) {
       it('correctly handles complex combinations', function(done) {
         this.User[finderMethod]({