QueryBuilder::merge() - takes a variable number of QueryBuilder instances and merges them into one;

Added SpecialFunction interface;
Better PSR compliance.

Author: TCB13

src/ArrayContains.php

@@ -2,7 +2,7 @@
 
 namespace SequelMongo;
 
-class ArrayContains
+class ArrayContains implements SpecialFunction
 {
 	public $name;
 	public $needle;

src/ArrayLength.php

@@ -2,7 +2,7 @@
 
 namespace SequelMongo;
 
-class ArrayLength
+class ArrayLength implements SpecialFunction
 {
 	public $name;
 	public $alias;

src/ArrayPull.php

@@ -2,7 +2,7 @@
 
 namespace SequelMongo;
 
-class ArrayPull
+class ArrayPull implements SpecialFunction
 {
     protected $name;
     protected $value;

src/ArrayPush.php

@@ -2,7 +2,7 @@
 
 namespace SequelMongo;
 
-class ArrayPush
+class ArrayPush implements SpecialFunction
 {
     protected $name;
     protected $value;

src/Count.php

@@ -2,7 +2,7 @@
 
 namespace SequelMongo;
 
-class Count
+class Count implements SpecialFunction
 {
 	public $name;
 	public $alias;

src/Increment.php

@@ -2,7 +2,7 @@
 
 namespace SequelMongo;
 
-class Increment
+class Increment implements SpecialFunction
 {
 	protected $name;
 	protected $by;

src/Max.php

@@ -2,7 +2,7 @@
 
 namespace SequelMongo;
 
-class Max
+class Max implements SpecialFunction
 {
 	public $name;
 	public $alias;

src/Min.php

@@ -2,7 +2,7 @@
 
 namespace SequelMongo;
 
-class Min
+class Min implements SpecialFunction
 {
 	public $name;
 	public $alias;