test(key_sync): add test case for destructive set

Closes #52
chore(key_sync): removing _resync

Closes #72
refactor(args-js): replace static js w. npm package
Merge pull request #78 from goinstant/mattcreager/74-resync-removal

chore(key_sync): removing _resync
Merge pull request #77 from goinstant/mattcreager/52-test-replace-on-set

test(key_sync): add test case for destructive set
Merge pull request #80 from goinstant/mattcreager/args

refactor(args-js): replace static js w. npm package
merge(develop): conflicts
chore(connect.js): loginProviders property as an array