DrawApp v0.3 - First Public Release

Features(?):
    - No layers
    - No undo/redo (maybe eventually I'll try to implement one step undo/redo)
    - No saving (gotta screenshot to save, be careful not to accidentally exit the app)
    - Random palette, background and brush colour every time you start the app
    - Date/time stamps
    - Colour masking
    - Sketch brush (New in v0.3!)

Notes:
    - Disable Windows Ink if you're on Windows and want to draw with a tablet

--- Tools and controls ---

    Left/Right ------------ Cycle through tools
    Ctrl+R ---------------- Reset (Clear canvas and randomise colours)

1. Brush Tool

    Left Click ------------ Paint
    Right Click ----------- Colour picker / eyedropper
    Scroll Wheel ---------- Change brush size
    Up/Down --------------- Cycle through fill patterns (dithering)
    Right Click + Up/Down - Cycle through colour palettes
    Right Click + Z ------- Invert colour mask
    Right Click + X ------- Toggle mask for current/selected colour

2. Line Tool

    Left Click ------------ Draw line
    Right Click ----------- Colour picker / eyedropper
    Scroll Wheel ---------- Change brush size
    Up/Down --------------- Cycle through fill patterns (dithering)
    Right Click + Up/Down - Cycle through colour palettes
    Right Click + Z ------- Invert colour mask
    Right Click + X ------- Toggle mask for current/selected colour

3. String Stamp

    Left Click ------------ Stamp text
    Right Click ----------- Colour picker / eyedropper
    Scroll Wheel ---------- Cycle through text sizes
        1. Normal
        2. Wide
        3. Tall
        4. "Pinball" (dotted)
        5. Big
    Up/Down --------------- Cycle through text type
        1. Current date (d/m/yyyy)
        2. Current date (d/m/yy)
        3. Current time (hh:mm am/pm)
        4. Custom text (keyboard input)
            Tip: Enter Shift + [any letter from A to Z] for special characters you can use as stamps
    Right Click + Z ------- Invert colour mask
    Right Click + X ------- Toggle mask for current/selected colour

4. Move/Copy Tool

    Left Click + Drag ----- Copy and move entire canvas or selection
    Z --------------------- Flip canvas or selection vertically
    X --------------------- Flip canvas or selection horizontally

5. Selection Tool

    Left Click + Drag ----- Select area
    Right Click ----------- Deselect
    Left Click in place --- Deselect

6. Sketch Tool (new in v0.3!)

    Left Click ------------ Use sketch brush
    Right Click ----------- Paint with regular brush colour 
                            (select BG colour to use as eraser)
    Scroll Wheel ---------- Change brush size
    Up/Down --------------- Change darkness/brightness 
                            (Up = darker, Down = brighter)
    X --------------------- Add random noise to the image 
                            (according to chosen brightness/darkness)