Release 8.0.0

[js2me]

BREAKING_CHANGES:

• remove default json format of the response type (both for axios and fetch http clients) (issue safeParseResponse breaks on empty response. #213, thanks @po5i)

Features:

• Allow passing custom fetch function (fetch http client only)
• Allow to set global response type format through HttpClient constructor
  Example:

    const httpClient = new HttpClient({ format: 'json' });
    // all request responses will been formatted as json  

Fixes:

• Missing schema.$ref in inline enum schemas
• Array query param values are serialized with the (non-default) comma separated style (issue Array query param values are serialized with the (non-default) comma separated style #222, thanks @Styn, PR Fix: query param array serialization #223)
• TypeScript error "TS6133: 'E' is declared but its value is never read." (axios http client) (issue TypeScript error "TS6133: 'E' is declared but its value is never read." #220, thanks @pmbednarczyk )