Fix Ruby warnings

[rrrene]

There are several warnings given by the Ruby interpreter when running Inch on the latest couple of Ruby versions:

/Users/rene/projects/inch/config/base.rb:49: warning: ambiguous first argument; put parentheses or a space even after `-' operator
/Users/rene/projects/inch/test/integration/cli/command/console_test.rb:4: warning: method redefined; discarding old run_pry
/Users/rene/projects/inch/lib/inch/cli/command/output/console.rb:53: warning: previous definition of run_pry was here