XForm 0.9.5

Numerous fixes.

• Reduce caching interval so IIS hosted versions show new content faster.
• Allow queries from querystring (?q=...)
• Fix issue with where contains after another where clause.
• Write unhandled errors to Console to identify.
• Fix double-dispose issues when writing errors to response stream.
• Return correct UsageException when parsing. empty queries.
• Return latest table for day when Date without time passed as AsOfDate.
• Fix exception when aggregators don't get rows.
• Fix exception parsing invalid TimeSpan.
• Deploy.IIS trick to stop website (change web.config first)
• Corrected sample web.config (need deny *)