Add a pagination example, see #521

Merge develop to master for new release

fix for PHP 5.3

Merging develop to master for new release

#474 - Using GET method when extracting remote file with stream.uri

Add Guzzle 6 Adapter implementation

Fix document syntax

Remove duplicated word

 Add Guzzle3 Client Adapter

usleep after curl_multi_select -1

Enable Simple Group Format

Correct language about RealtimeGet query use

According to these php bugs:

* https://bugs.php.net/bug.php?id=61141
* https://bugs.php.net/bug.php?id=63842

thats what we should do.

I came across this issue when trying to make the ParallelExecution
working on my CentOS 7.3 box. It spinlooped inside the changed loop.

Also guzzle is doing the same thing:

https://github.com/guzzle/guzzle/blob/master/src/Handler/CurlMultiHandler.php#L103

I am not sure if the timeout needs to be configurable and if the choosen
value (100) is good.

Update plugins.md

small fix for non-working external links ("wikilink")

Creating new release

Add support for comma-separated values in conversion to array

add spatial component

add basic support for nested documents

rename method

don't always pass xml string as parameter (too expensive with long documents)