Added option to pass OTP length
Merge pull request #1 from shivanibhanwal/otp_generation_with_custom_length

Added option to pass OTP length
Added spec to test Otp_code with 4 digit as specific length and 6 digit will be default
length for the otp_code
Fixed existing test as it was not checking for the expected scenarios
Merge branch 'master' into otp_generation_with_custom_length
Merge pull request #13 from shivanibhanwal/otp_generation_with_custom_length

Added option to pass OTP length