README.md in sym-2.6.2 vs README.md in sym-2.6.3

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@@ -23,9 +23,19 @@ <strong>sym</strong> uses <em>symmetric Encryption</em> which simply means that you will be using the same 256-bit key to encrypt and decrypt data. In addition to the private key, the encryption uses an IV vector. The library completely hides `iv` generation from the user, and automatically generates a random `iv` per encryption. Finally, each key can be uniquely password-protected (encrypted) and stored in OS-X Keychain, environment variable or a file. </div> +## Supported Ruby Versions + +Sym currently builds and runs on the following ruby versions, which can be verified on Travis CI: +[![Build Status](https://travis-ci.org/kigster/sym.svg?branch=master)](https://travis-ci.org/kigster/sym) + + * 2.2.5 + * 2.3.3 + * 2.4.0 + * jruby-9.1.7.0 + ### Motivation The main goal when writing this tool was to streamline and simplify handling of sensitive data in a trasparent and easy to use way without sacrificing security. Most common use-cases include: