CGS small update

[Samma2009]

• fixed DrawFilledEllipse function
• added GetPixels function (gets a rectangle of pixels from the canvas and stores them into a bitmap)
• added image resize functions

sorry for all the ghost additions and delitions but my github went crazy

[Samma2009]

@quajak all the commit requests have been accepted, also about the the getpixels function, i have moved it to the bitmap class.

[Samma2009]

@quajak Done, i have fixed any remaning changes. about the packages.lock thing.... i don't know how to revert it. could you tell me

[9xbt]

Bruh