Better MarkdownTable Multi-Column Support

MarkdownTable supports multiple columns better.
Examples here

MarkdownTable

Added a new Verifiable object, MarkdownTables, that allows for easy creation of Markdown tables in your tests.

VerifiableObjects and MarkdownStoryBoard

• Created VerifiableObjects
• Added MarkdownStoryboard for more robust story telling
• Added Grid.toMarkdown() to easily create grids in Markdown

ComparableUtils

fixes #264

additional changes:

• LocalDateTime converter for JsonApprovals

Support for Kaleidoscope Command-Line Tool (ksdiff)

fixes #262

Better handling of java.time.Instance in JsonApprovals

Later versions of Java fail on serializing java.time.Instance when using JsonApprovals.

allow renaming of PackageSettings class name

this helps with an obscure case where you have multiple classes PackageSettings in the same package but different modules, causing name collisions.

Obscure issue with PackageSettings

fixes #255

DateScrubber now supports 4 letter timezone names

15.1.1

d updated markdown snippets

Files open on Linux

fixes #251 where files would not launch on linux.

Add mechanism for custom opener.

Fixes some typos by overloading methods.