Update README.md; Update Font-tester screenshot; Version number in-code update

McBitFont/Form1.cs

@@ -59,7 +59,7 @@ namespace McBitFont {
         public bool monospaced = false;
         private bool modified = false;
         private bool prjModified = false;
-        public const string version = "2.4";
+        public const string version = "2.5";
         public string prjName = "Untitled";
         public string prjFileName = "";
         public int codepage = 1251;

README.md

@@ -20,6 +20,8 @@ Some basic hints on the interface:
 - Mouse 1 to mark a pixel black
 - Mouse 2 to mark a pixel white
 - Drag the mouse holding a button to draw pixels
+- Hold Shift to constrain painting horizontally
+- Hold Ctrl to constrain painting vertically
 - Mouse Scroll to scroll up and down
 - Shift + scroll to scroll left and right
 - Crtl + scroll to zoom