Merge branch 'next'
better be case insensitive when reading config
Update README.md
Update README.md
added ordering comment and rearranged description and code sample
 hostname lookup work without HOSTNAME environment variable and added option to not execute a command when connecting to host
fixed layouting shortcut width=16 and about_width gets calulated this removed some edge cases when layout was not aligned or broken by line breaks; also added support for mosh and custom ssh command for connecting to a server only, updating still uses ssh -v
rewrite of command prompt which behaves now like a real shell with TAB completion
fixed wrong alignment in README
code clean up
reformatted help text whereami
added the all command to the update TAB completion