Mod loading order

Startup

1. Search for mods
2. For each mod (sorted alphabetically by mod file name):
   • .js mods
     1. Initialize mod, and add mod along with mod info to list
   • .tar.gz mods
     1. Prepare temporary directory for extracted mod contents
     2. Extract mod contents
     3. Initialize mod, and add mod along with mod info to list
3. Load server-side JavaScript:
   1. Create mod file from server-side JavaScript
   2. Initialize "mod", and add "mod" to list

Execution (on each server request)

1. Initialize SVR.JS variables
2. Invoke mods and server-side JavaScript (mods sorted alphabetically by mod file name)
3. Load SVR.JS main callback (if it's not affected by mods and server-side JavaScript)