Feature Release

This minor release contains the following fixes, updates and changes:

• [AspNetCore] Added a new middleware to be able to use MAuth with the ASP.NET Core MVC infrastructure
• [All] The private key property value on the options objects now can be a file path reference to a file containing the key - the library will automatically read the key from the file if it detects that the value is a file path instead of the key itself
• [All] The private key now line ending agnostics - the library will use the key with (Windows- or Unix-style) or without line endings, or with varying number of characters in a row (this is very useful if you want to serve the private key from an environment variable for example)