single quoted strings missing punctuation scopes #110

Environment

• Sublime 3176
• Monokai

Issue Description

the quotes that delimit single quoted strings are missing the punctuation.definition.string.(begin/end).powershell scopes

Screenshots

Expected Behavior

The apostrophes/single quotes that start and end a string should receive a punctuation scope. See http://www.sublimetext.com/docs/3/scope_naming.html#string.

Code Samples

$var = 'hello'