Glob Builder

[dazinator]

Create a glob builder so can fluently build up globs.

So to build a glob: /foo?\\*[abc][!1-3].txt

 var glob = new GlobBuilder()
                .PathSeperator()
                .Literal("foo")
                .AnyCharacter()
                .PathSeperator(PathSeperatorKind.BackwardSlash)
                .Wildcard()
                .OneOf('a', 'b', 'c')
                .NumberNotInRange('1', '3')
                .Literal(".txt")
                .ToGlob();