extended fetch api with synch and auth apis

Comprehensive all-in-one HTTP client solution

extended fetch api with swr and auth features

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Some Date, String and Array prototype extensions.

``` client (polyfills) -- core-js --- js-extensions: improved js type polyfills --- css-component: css functions for css components -- fetch-toolkit --- fetch-swr: fetch api with swr --- event-api: fluent EventSource facade --- async-api: ORM for RESTful 

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