Use /v2 suffix for new go modules v2

[Atrox]

Hey @matcornic

thanks for merging my changes (#44) related to supporting go modules. Because you created a new major version (v2) for the go module changes, we should reflect that in go.mod.

In go modules, if the major version changes, the import path also changes. So I also updated all the examples and the go get in the README.

Thanks,
Atrox

[codecov-io]

Codecov Report

Merging #45 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #45   +/-   ##
=======================================
  Coverage   98.45%   98.45%           
=======================================
  Files           3        3           
  Lines         907      907           
=======================================
  Hits          893      893           
  Misses          8        8           
  Partials        6        6

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[Atrox]

Thanks for the quick merge @matcornic! Could you release a new version v2.0.1?

[matcornic]

Thanks for the quick merge @matcornic! Could you release a new version v2.0.1?

Done :)

[Atrox]

Awesome, thank you very much. Now everything runs smoothly for me. :)