Milestone 2.1

A more refined take on 2.0 with:

• Add ListView?, a user interface for working with lists of tiddlers with excerpts
• A better SearchUserInterface?, using the new ListView?
• Both interactive and automatic ImportExportSync? of tiddlers
• New code to support AsyncXmlHttpRequest?
• ExtensibleMetaData? for tiddlers
• Rejigged FileFormat? that's more XHTML compliant
• Parsing of name-value pairs as EmbeddedFields? within Tiddlers
• SafetyChecking? by pre-parsing systemConfig tiddlers via EmbeddedFields?
• Use of TiddlerFingerprints? for verification, synchronisation and auditing

It is intended to be as BackwardsCompatible as possible with 2.0.x

See the ReleaseNoteTwoPointOne for a summary of the changes.