simplify bigint as a simple SJCL wrapper
simplify bigint as a simple SJCL wrapper

joanma100/agora-ciudadana,pirata-cat/agora-ciudadana,joanma100/agora-ciudadana,pirata-cat/agora-ciudadana,joanma100/agora-ciudadana,joanma100/agora-ciudadana,pirata-cat/agora-ciudadana