Security fixes (#18)

lint2

lint

auditfix

Bump elliptic from 6.4.1 to 6.6.1

Bump elliptic from 6.4.1 to 6.6.0

Bump rollup from 0.41.6 to 2.79.2

Bump rollup from 0.41.6 to 3.29.5

Bump body-parser from 1.18.3 to 1.20.3

Bump socket.io and karma

Bump braces and karma

Bump elliptic from 6.4.1 to 6.5.7

Bump follow-redirects from 1.7.0 to 1.15.9

Bump ws and karma

Bump socket.io-parser and karma

Manually load sinon and chai

Bump requirejs from 2.3.6 to 2.3.7