Making compatible with python3

[cjam]

• updating print statemtents to use parenthesis

[cjam]

hey @MHee, thanks for putting together this repo. I've just been using it for the ArchiveFiles api to pull down archived hydrophone data. Unfortunately, I ran into an issue with opening the wav files in python2x since they are all recorded in 24 bit. So I installed a virtual environment with python3 which has fixes for this, but unfortunately in python3 print is now a function and must be used with parenthesis. This is just a small fix for that.

[MHee]

Hi @cjam thanks for your changes, I will test them and see if it still works with 2.7...
Probably, I should use logging instead of printing to begin with.

I hope you are enjoying the hydrophone data, let me know if you have any questions.

[cjam]

Sounds good @MHee. So far so good, thanks for looking at the PR.