Description of problem:
Running hammer with a file called "config" and uncommented lines in cause hammer to fail.

Version-Release number of selected component (if applicable):
rubygem-hammer_cli-0.1.4.13-1.el7sat.noarch

How reproducible:
100%

Steps to Reproduce:
1. hammer --help (confirm it works fine)
2.cat /etc/sysconfig/selinux > config (this can be any file with uncommented text in)
3.hammer --help


Actual results:
[root@sat6 ~]# hammer --help
/usr/share/gems/gems/hammer_cli-0.1.4.13/lib/hammer_cli/settings.rb:83:in `symbolize_hash': undefined method `inject' for "SELINUX=enforcing":String (NoMethodError)
	from /usr/share/gems/gems/hammer_cli-0.1.4.13/lib/hammer_cli/settings.rb:71:in `deep_merge!'
	from /usr/share/gems/gems/hammer_cli-0.1.4.13/lib/hammer_cli/settings.rb:47:in `load'
	from /usr/share/gems/gems/hammer_cli-0.1.4.13/lib/hammer_cli/settings.rb:40:in `load_from_file'
	from /usr/share/gems/gems/hammer_cli-0.1.4.13/lib/hammer_cli/settings.rb:19:in `block in load_from_paths'
	from /usr/share/gems/gems/hammer_cli-0.1.4.13/lib/hammer_cli/settings.rb:16:in `each'
	from /usr/share/gems/gems/hammer_cli-0.1.4.13/lib/hammer_cli/settings.rb:16:in `load_from_paths'
	from /usr/share/gems/gems/hammer_cli-0.1.4.13/bin/hammer:52:in `<top (required)>'
	from /usr/bin/hammer:23:in `load'
	from /usr/bin/hammer:23:in `<main>'

Expected results:
hammer --help to display help message

Additional info: