Update README.md

Author: SimplyProgrammer

README.md

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 # Java-SerialX
-SerialX is a powerful utility API to serialize objects in Java.
+SerialX is a powerful utility library to serialize objects in Java.
 SerialX is improving regular Java Base64 serialization and adding serialization protocols that you can create for objects that cant be serialized using regular way. For example final non-serializable objects or 3rd party objects. SerialX is also JSON like "programming" that are objects serialized into. It also allows you to serialize multiple objects into one string or also file. Unlike to JSON, SerialX is based on determinate order of arguments or values we can say.
 ## Info
 * If you want to add or see issues just click on [Issues section](https://github.com/PetoPetko/Java-SerialX/issues) in up.