Merge branch 'release/v1.33.2' into develop
Shape: canonicalizeURL()
Fix: area param processing
Fix: setCache()
Change: setCache method of spec
Fix: empty cache bug
Fix: cache expires update timing
Optimize: setCache()
Fix: README.md
Fix: setCache()
Fix: README.md
Support: base tag
Change: load.ajax param default value
Fix: not automatic delay registration
Change: load.reload param default value
Fix: script load
Improve: css load
Fix: createHTMLDocument()
Add: load.head param
Fix: css load