Psuedo-class selector :text producing errors and incorrect results

[jakejackson1]

Pull Request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no API changes)
• Build-related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

1. If doing ->is(':text') on a text node an error is produced.
2. If doing ->find(':text') it won't match <input /> tags without a type (which are considered text inputs). See https://api.jquery.com/text-selector/

Issue Number: #49

What is the new behavior?

TBA

Does this introduce a breaking change?

• Yes
• No

TBA

Other information

Unit tests are written. Code to pass the tests still to be written.