Added space_placement to config
Added test for space_placement config setting
Added ability to put spaces after words if set
Added tests for putting spaces after output
Added space_placement to app.py
Added space placement to config screen

Added space placement to config screen inside a new section called "Output"
Fixed problem with getting last_space
Added prefix tests to test_formatting.py
Merge pull request #183 from mighele/user-switchable-spaces

User switchable spaces