Update Readme

New version 1.1.2

Merge pull request SAML-Toolkits#282 from onelogin/v1.1.1

V1.1.1 Fixs signature validation bug

1.1.0 release

Update readme.md for 1.0.0 release

Update changelog to register the last PR of the 0.9.2 version

Version bump to 0.9.1

Version bump to 0.8.2

Merge pull request SAML-Toolkits#184 from onelogin/AUTH-271

AUTH-271: Version bump to 0.9

Merge pull request SAML-Toolkits#111 from onelogin/namespacing-issue

Onelogin:: is OneLogin::