Replicate functionality present in python lambda inspector

[andrewkrug]

• [ ] /proc/meminfo to dictionary
• [ ] /proc/cpuinfo to dictionary
• [ ] contents of /etc/issue
• [ ] sandbox variable ( this detects which runtime we're in )
• [ ] package_count count of the list of loaded modules
• [ ] platform
• [ ] warmness fields, is_warm, warm_for