* Change find-pypy.ts to redefine pythonLocaction environment variable
* Change README.md in order to add sentence about pythonLocation envvar
* Change sentence about pythonLocation envvar in README.md
* Rephrase the definition of pythonLocation env.var
This versioning scheme is consistent with other
tools in the python ecosystem so it feels more natural
and allows better interaction with other tools.
fixes#346
* test for pypy new version notation
* formatting
* uncommented condition
* test
* added pypy to test matrix
* test
* test
* restored all tests
* removed logs, added multiarch support for toolcache
* reduced test matrix
* removed extra condition about arch