add defaults to switch statements to silence warnings
i hate c
unflip x and y
add width and height operators
add exponentiation
update usage
add logical not
add -i switch
add option for color
output to stdout by default
add left&right shift
make division by zero error apply to mod as well
add eq lt gt and count
add gradient mode
require -o
add error handling on division by zero
share stack buffer between pixels
remove comment for code that doesn't exist anymore
make size configurable
init