Merge pull request #135 from Legoless/master

Portal returns deviceNumber parameter fix
[Issue #133] Prevent crash for nonexistent device
Fixing warnings
Bumping version to 1.0.1
Switch readme code block style to help separate unrelated code.
[Issue #137] Reporting failure of keychain operations
Merge pull request #138 from erbridge/update_readme

Break up unrelated code blocks in the readme
Bumping version to 1.0.2
Added a command for listing active/inactive devices for a provisioning profile
Fixed devices count in the success output of the non-interactive profiles:manage:devices:remove command
Merge pull request #148 from jwillis/list-profile-devices

Added a command for listing active/inactive devices for a provisioning profile
Minor reformatting
Minor reformatting
Adding command to add app_id

Signed-off-by: Mattt Thompson <m@mattt.me>
Removing empty command descriptions
Fixing shadowed variable warning
Removing unused variable
Adding missing newline
Adding app_ids:add to README
Removing unnecessary call to String#strip