XX-4050 / SendE2e test

added 4 commits

• 9cfe8f66...8ed878ea - 2 commits from branch release
• c0c20fb8 - Merge branch 'release' of git.xx.network:elixxir/xxdk-wasm into XX-4050/sendE2eTest
• fc58a387 - Create utils package

Compare with previous version

added 3 commits

• 80c3ce0c - Update throw package in wasm_exec.js
• 6663cc6a - Fix request function
• 7e27bf72 - Move errors to own file

Compare with previous version

merged