fix symkey version
Typo: Unknow -> Unknown
Merge pull request #267 from laktak/fix-symkey

fix symkey version
add compression support (for zip & zlib) using https://github.com/imaya/zlib.js
add zlibjs dependency, grunt task
fix compData vs compdata bug
Merge pull request #272 from laktak/compress

Compression Support
bump version
Merge pull request #268 from bantu/typo-unknow

Typo: Unknow -> Unknown