Fix/issue 466

[dpotkoc]

This is fix for #466
now, fastly constant has int values = 42

also we removed support for php version 5.x

[ihor-sviziev]

Hi @vvuksan,
Will you add a new tag for the new module version?
Now, I think we can safely add conversion to integer in Magento for the method, right?

[vvuksan]

Yes it's been tagged as 1.2.162.