Erik Cederlöf

Added opts.startFromFixedAngle, so the 1st pie-slice will start painting from 12 o'clock, if opts.startFromFixedAngle is set to 90, or 3 o'clock = 0.

I mycket exempel-kod under docs anges `merchantId` och `sharedSecret` så här: ``` $merchantId = getenv('USERNAME') ?: 'K123456_abcd12345'; $sharedSecret = getenv('PASSWORD') ?: 'sharedSecret'; ``` Använder man PHP i Windows leder det...