Remove region/host defaults, add apimode tanks/planes, setRegion changes
Change setCustomHost(host) to string from bool to set host directly
Small consistency fixes
Add getApiMode() function, tidy assertions
remove custom host code and split setRegion apiMode check into getApiMode
updated tests and docs for new apiMode method and revised custom host usage
Tidy and improve documentation
Merge pull request #6 from rddt/apimode

Remove region/host defaults, add apimode tanks/planes, setRegion changes