Add unittest

[   27s] + ./glob
[   27s]
[   27s] running 18 tests
[   27s] test test::test_glob_errors ... ok
[   27s] test test::test_iteration_errors ... ok
[   27s] test test::test_absolute_pattern ... ok
[   27s] test test::test_matches_path ... ok
[   27s] test test::test_path_join ... ok
[   27s] test test::test_pattern_escape ... ok
[   27s] test test::test_pattern_from_str ... ok
[   27s] test test::test_pattern_matches_case_insensitive ... ok
[   27s] test test::test_pattern_matches ... ok
[   27s] test test::test_pattern_matches_case_insensitive_range ... ok
[   27s] test test::test_pattern_matches_require_literal_leading_dot ... ok
[   27s] test test::test_pattern_matches_require_literal_separator ... ok
[   27s] test test::test_unclosed_bracket_errors ... ok
[   27s] test test::test_recursive_wildcards ... ok
[   27s] test test::test_range_pattern ... ok
[   27s] test test::test_wildcard_errors ... ok
[   27s] test test::test_wildcards ... ok
[   27s] test test::test_lots_of_files ... ok
[   27s]
[   27s] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s

Bump to rust-glob 0.3.1

Import glob 0.3.1