BrowserTest: fix node spawning and killing
BrowserTest: merge the current env
Fix Makefile for Linux's sh
Fix PEP8 errors
Merge pull request #3 from tOkeshu/python-webdriver-server

Fix the BrowserTest mixin for Linux
Merge branch 'python-webdriver-server' of github.com:n1k0/talkilla into python-webdriver-server
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