Inconsistent function case

[lpil]

Hiya

Over in Alpaca lib it was stated that camelCase is the way to write functions. Currently the built in guard functions (is_integer/1 etc) use snake_case. Should we switch them over to camelCase?

Cheers, Louis

[lpil]

I see the docs prefer snake_case too. I could update these? :)

[j14159]

All of the above works for me :)