padding space in paren
use output_space_before_token, instead of deprecated print_single_space
tests
python test and implementation of padding spaces within parens
rename --pad-in-paren to --space-in-paren
merge
use opt instead of options; use bt instead of test_fragment
more test-cases
fixed typo / pad_in_paren -> space_in_paren
Tests for space_in_paren false that match

The pattern I've been using for options is to have the same inputs, and
test for the differing outputs.
Merge pull request #2 from bitwiseman/pad-in-paren

Tests for space_in_paren false that match
Merge pull request #235 from rasmuserik/pad-in-paren

Option for different formatting of spaces in parens