Loosened the requirements for constructing a MapPager

This is so that I can configure the size of the pages in the config.cfg
file.

common/map/region_pager.cpp

@@ -62,7 +62,3 @@ Region* RegionPagerBase::GetRegion(int x, int y) {
 	if (ptr) return ptr;
 	return CreateRegion(x, y);
 }
-
-void RegionPagerBase::Update() {
-	//TODO
-}

common/map/region_pager.hpp

@@ -29,15 +29,13 @@
 
 class RegionPagerBase {
 public:
-	RegionPagerBase() = delete;
+	RegionPagerBase() = default;
 	RegionPagerBase(int regionWidth, int regionHeight, int regionDepth);
 	virtual ~RegionPagerBase();
 
 	int SetTile(int x, int y, int z, int v);
 	int GetTile(int x, int y, int z);
 
-	void Update();
-
 	Region* GetRegion(int x, int y);
 
 	//interface
@@ -47,20 +45,25 @@ public:
 	virtual void UnloadRegion(int x, int y) = 0;
 
 	//accessors
-	int GetRegionWidth() { return regionWidth; }
-	int GetRegionHeight() { return regionHeight; }
-	int GetRegionDepth() { return regionDepth; }
+	//NOTE: don't change the sizes mid-program, it will cause issues
+	int SetRegionWidth(int i) { return regionWidth = i; }
+	int SetRegionHeight(int i) { return regionHeight = i; }
+	int SetRegionDepth(int i) { return regionDepth = i; }
+
+	int GetRegionWidth() const { return regionWidth; }
+	int GetRegionHeight() const { return regionHeight; }
+	int GetRegionDepth() const { return regionDepth; }
 protected:
-	const int regionWidth;
-	const int regionHeight;
-	const int regionDepth;
+	int regionWidth;
+	int regionHeight;
+	int regionDepth;
 	std::list<Region*> regionList;
 };
 
 template<typename MapGenerator, typename MapFileFormat>
 class RegionPager : public RegionPagerBase {
 public:
-	RegionPager() = delete;
+	RegionPager() = default;
 	RegionPager(int w, int h, int d):
 		RegionPagerBase(w, h, d)
 	{