Introduce the Task class
Introduce the BasicCommand class
Introduce the Add command and improve the basic command
I do not use Guard anymore
Add functionality to manage development dependencies
It's a pain in the ass to test command-line applications, especially when doing system calls, so I won't fucking tests, for now
The options argument should be a hash since OptionParser will be used
Escape the query in the findable module
First implementation stage finalized, including the first command

Finalized the following things:

- Add command
- Custom OptionParser
- Gish Task class
- The `gish` script