fix symbol literal

- \     === ''
- \0123 === '0123'
- build v0.0.26
Merge pull request #35 from mohayonao/fix-symbol-literal

fix symbol literal
support accidental number literal e.g. 2ss, 2b50

- build v0.0.27
Merge pull request #36 from mohayonao/add-accidental-number

support accidental number literal e.g. 2ss, 2b50
implemebts SCSet

- fix Array.newClear
- add Set methods
- fix SCDictionary#valueOf
- build v0.0.28
- update jscs-checker
Merge pull request #37 from mohayonao/implements-SCSet

implemebts SCSet
Merge branch 'master' into gh-pages
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