Update howToSolveGeoCaptchasWalkthrough.md

update yolo to v4 and new training

make k2s grayscale for an instant (not 100% working) workaround

Merge branch 'master' of https://github.com/cracker0dks/CaptchaSolver

add test bat

remove unused node package.json deps

Update howToSolveNew6DigitCaptchasWalkthrough.md

Update README.md

Merge pull request #3 from budel/master

changed access permissions to be executable

set valid chars to ocr for better recog