Fix case sensitivity issue

[stallardjw]

Convert input to lowercase and remove any extra spaces from beginning and end of input.

Fixes

Fixes #72 by @stallardjw

Types of changes

• [X] Bug/Hot fix (non-breaking change which fixes an bug)
• [ ] New feature (non-breaking change which adds a functionality/feature)
• [ ] Refactoring Old Code ( non-breaking change replacing already existing code)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Description

Converts user input to lowercase and trims extra spaces at the beginning and end of the input. This allows users to input the command without having to match the format exactly and won't throw an error if they include extra spaces at the beginning or end of their input.

Preview Link

Here's my preview

Checklist:

• [X] I have read the CONTRIBUTING guidelines in repository.
• [X] My pull request has a descriptive title and is attached to an existing issue.
• [X] I haven't repeated the code and it follows established code style of repository.
• [X] My branch is up-to-date with upstream branch.

[TechSpiritSS]

Great 👍