download and parse remote idp server metadata
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update README
update README
requiring net/https
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Attributes method [] can raise NoMethodError

When `Attributes.single_value_compatibility = true`, calling attributes[:value] raises a NoMethodError is if the attribute hash key is not found.
add includes? check when reading attribute.first
Remove self reference.
In order to debug, ruby >= 2.0.0 uses byebug
Attributes method [] can raise NoMethodError #157
Merge branch 'master' of https://github.com/keaplogik/ruby-saml into attrs
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ok
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Add documentation related to attributes
Merge pull request #136 from bonyiii/remote_idp_metadata

Remote idp metadata
Merge pull request #160 from onelogin/attrs

Extended solution for Attributes method [] can raise NoMethodError
Rebase