Add _removeCache, expose EXPIRE/TTL to process.env, reduce exiration from 1d to 1h

[trhinehart-godaddy]

Summary

• Update npm dependencies based on current semver
• Expose default internal server ttl/expiration for per app customization
• Try to drop caches when errors occur to solve production error; unable to replicate in unit tests still.

Changelog

Core

• Add _removeCache to remove cache instances
• _setCache will now _removeCache on error

Server

• _fetchExport will now _removeCache on error
• Expose process.env.RADPACK_EXPIRE to set default expiration
  • Changed default expiration from 1d to 1h
• Expose process.env.RADPACK_TTS to set default TTL
• Expose process.env.RADPACK_RETRIES to set default retry count

Test Plan

• All tests pass