0.5.0

The first beta release of the shell, changes since the last version:

Tag BREAKING means the change break compatibility with a previous version
of the shell.

Added

• Directory separator to tab completion if the completion's result is a
  directory
• Tab completion now works also with commands not only with their arguments
• Support for Unicode in the user's input
• Ability to set the terminal's title. Can be enabled or disabled in the
  shell's options.
• Ability to enable or disable syntax highlighting for the user's input
• Ability to look for a command in the shell's commands' history
• Info about the amount of the last commands to history list command
• Tab completion: support to select a completion from the list of completions
• Tab completion: completion for available commands and shell's aliases
• Ability to set the amount of displayed Tab completions on the list
• Option to set style of the output headers, like sections in forms to set
  aliases and variables, listing commands, etc.
• Prevention from crash shell during work
• Options to set amount of columns in the help list and the completion list
• Sort alphabetically the list of shell's options

Changed

• BREAKING: Updated plugins' system. May require to add the installed
  plugins again, due how pre-command and post-command hooks are handled
  now
• Updated README.md
• Better syntax highlighting in the user's commands
• Better handling the user's input in various forms, like adding variables,
  aliases, etc.
• Better look of some commands output, like headers, word wrapping, etc
• BREAKING: Type of historyAmount option from natural to positive
• BREAKING: Redesigned how the shell's converts the commands arguments.
  It should now properly handle arguments like -jar.

Fixed

• Clearing the plugin's table after failed adding the new plugin to the
  shell
• The shell option promptCommand should be writable by the user
• Style issues in README.md
• Refreshing the user input when it is longer than a terminal width
• Don't mark environment variable as invalid command
• Better handling arguments in the test plugin
• Special keys not working with some terminal emulators
• Typos in CHANGELOG.md and README.md
• Getting stack trace for the shell's exception when build in debug mode
• Adding values of short options in entered commands
• Aliases don't return proper exit codes
• Deleting exceeded commands from the shell's history
• Delete more commands from the shell's history if its size changed in the
  shell's options
• Shell's hangs on problems with input/output