made refactoring and added test for browser_instance fixture
Update .travis.yml
move to tox instead of detox
Update tox.ini
add sleep
renamed browser_instance fixture into browser_instance_getter
:Merge branch 'issue5' of https://github.com/paylogic/pytest-splinter into issue5
changed browser_pool. updated README.rst
removed KeyError
small refactoring
fixed tests
Merge branch 'master' into issue5
implement multiple browser instances possibility for a single test
Merge pull request #7 from paylogic/issue5

made refactoring and added test for browser_instance fixture