Merge pull request noha#10 from noha/add-rsa256-signing

Add rsa256 signing

Merge pull request noha#8 from ba-st/master

Fix JWS base 64 encoding

load tonel for suppoprting pharo5

update NeoJSON to git dependency

Added iceberg files

Added padding for base64 in order to use strict base64 decoding of Zn…

…. Added explicity conversion between byte array and string. This make it work in pharo7

Added class for header algorithm RS256. The class does not yet implem…

…ent the RSA signing. Additionally a switch for checking signature has been added. So it can be used with non-checking in case of RSA

first release