Move from alp count to alp (json|ltsv|regexp) count.
:::console
$ alp json count --file example/logs/json_access.log --keys ua
+-----+-----+
| SUM | UA |
+-----+-----+
| 1 | UA4 |
| 3 | UA2 |
| 4 | UA1 |
| 4 | UA3 |
+-----+-----+
Changelog
- 4e95db4 Merge pull request [#85] from tkuchiki/fix-count-subcommand