Fix ExportImageToMemory and formatting issues (#245)

Raylib-cs/interop/Raylib.cs

@@ -1368,7 +1368,7 @@ public static unsafe partial class Raylib
 
     /// <summary>Export image to memory buffer</summary>
     [DllImport(NativeLibName, CallingConvention = CallingConvention.Cdecl)]
-    public static extern char* ExportImageToMemory(Image image, sbyte* fileType, int *fileSize);
+    public static extern byte* ExportImageToMemory(Image image, sbyte* fileType, int* fileSize);
 
     /// <summary>Export image as code file defining an array of bytes</summary>
     [DllImport(NativeLibName, CallingConvention = CallingConvention.Cdecl)]

Raylib-cs/types/Rectangle.cs

@@ -48,7 +48,10 @@ public partial struct Rectangle
 
     public Vector2 Position
     {
-        readonly get { return new Vector2(X,Y); }
+        readonly get
+        {
+            return new Vector2(X, Y);
+        }
         set
         {
             X = value.X;
@@ -58,7 +61,10 @@ public partial struct Rectangle
 
     public Vector2 Size
     {
-        readonly get { return new Vector2(Width,Height); }
+        readonly get
+        {
+            return new Vector2(Width, Height);
+        }
         set
         {
             Width = value.X;