Add Table.replace; Change Text.replace to take a Text|Pattern, and remove the use_regex param.

[GregoryTravis]

Checklist

Please ensure that the following checklist has been satisfied before submitting the PR:

• The documentation has been updated, if necessary.
• Screenshots/screencasts have been attached, if there are any visual changes. For interactive or animated visual changes, a screencast is preferred.
• All code follows the
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  and
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• All code has been tested:
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  • If GUI codebase was changed, the GUI was tested when built using ./run ide build.

[jdunkerley]

Looks good - I need to think about how this plays with the IDE as it stands but I think this is a cleaner approach.