3.21.0

• deps: basic-auth@1.0.2
  • perf: enable strict mode
  • perf: hoist regular expression
  • perf: parse with regular expressions
  • perf: remove argument reassignment
• deps: connect@2.30.0
  • deps: body-parser@~1.13.1
  • deps: bytes@2.1.0
  • deps: compression@~1.5.0
  • deps: cookie@0.1.3
  • deps: cookie-parser@~1.3.5
  • deps: csurf@~1.8.3
  • deps: errorhandler@~1.4.0
  • deps: express-session@~1.11.3
  • deps: finalhandler@0.4.0
  • deps: fresh@0.3.0
  • deps: morgan@~1.6.0
  • deps: serve-favicon@~2.3.0
  • deps: serve-index@~1.7.0
  • deps: serve-static@~1.10.0
  • deps: type-is@~1.6.3
• deps: cookie@0.1.3
  • perf: deduce the scope of try-catch deopt
  • perf: remove argument reassignments
• deps: escape-html@1.0.2
• deps: etag@~1.7.0
  • Always include entity length in ETags for hash length extensions
  • Generate non-Stats ETags using MD5 only (no longer CRC32)
  • Improve stat performance by removing hashing
  • Improve support for JXcore
  • Remove base64 padding in ETags to shorten
  • Support "fake" stats objects in environments without fs
  • Use MD5 instead of MD4 in weak ETags over 1KB
• deps: fresh@0.3.0
  • Add weak ETag matching support
• deps: mkdirp@0.5.1
  • Work in global strict mode
• deps: send@0.13.0
  • Allow Node.js HTTP server to set Date response header
  • Fix incorrectly removing Content-Location on 304 response
  • Improve the default redirect response headers
  • Send appropriate headers on default error response
  • Use http-errors for standard emitted errors
  • Use statuses instead of http module for status messages
  • deps: escape-html@1.0.2
  • deps: etag@~1.7.0
  • deps: fresh@0.3.0
  • deps: on-finished@~2.3.0
  • perf: enable strict mode
  • perf: remove unnecessary array allocations