add success and failure to command response
Merge pull request #10 from kbrock/command_success

add success and fail to command response
Replace guts of launch command to use Open3.capture3
Fix command_result_spec for RSpec 3
Separate command line building and sanitizing into its own class.
Merge pull request #11 from ManageIQ/replace_guts_with_open3

Replace guts of launch command to use Open3.capture3
Merge pull request #12 from ManageIQ/separate_sanitizer

Separate sanitizer
Allow barewords and nested Hashes as params.

Resolves #6
Merge pull request #13 from ManageIQ/extend_parameter_format

Extend parameter format
Release v1.2.0
Fix issue where nested Hash params were not joined properly

Fixes #14
Merge pull request #15 from Fryguy/fix_nested_hash_params

Fix issue where nested Hash params were not joined properly
Release v1.2.1