Accept array of conditions, however, we can do much better

db.go

@@ -100,8 +100,8 @@ type Func struct {
 // 	}
 type And []interface{}
 
-func (a And) And(exp interface{}) And {
-	return append(a, exp)
+func (a And) And(exp ...interface{}) And {
+	return append(a, exp...)
 }
 
 // Or is an array of interfaced that is used to join two or more expressions
@@ -117,8 +117,8 @@ func (a And) And(exp interface{}) And {
 // 	}
 type Or []interface{}
 
-func (o Or) Or(exp interface{}) Or {
-	return append(o, exp)
+func (o Or) Or(exp ...interface{}) Or {
+	return append(o, exp...)
 }
 
 // Raw holds chunks of data to be passed to the database without any filtering.