Extra test for checking undefined variables.

Signed-off-by: Yorick Peterse <yorickpeterse@gmail.com>
Improved the YARD documentation.

Signed-off-by: Yorick Peterse <yorickpeterse@gmail.com>
Removed location info from definitions.

The information such as the raw Node and location information is already
provided by the AST and thus does not need to be stored in definition instances
as well.

Signed-off-by: Yorick Peterse <yorickpeterse@gmail.com>
Include shorter analysis syntax in the README.

Signed-off-by: Yorick Peterse <yorickpeterse@gmail.com>
Task for generating code coverage.

Signed-off-by: Yorick Peterse <yorickpeterse@gmail.com>
Improved existing and added new documentation.

Signed-off-by: Yorick Peterse <yorickpeterse@gmail.com>