Pull request #76: NETCURL-280: Proxy support
Merge in LIB/tornelib-php-netcurl from NETCURL-280-proxy to master
* commit '1b3abae4f0a2838bb9e9fe2328d53ea141015b74':
Fixed error handlers and asserts. NETCURL-294: Can't initialize an empty curlwrapper (without url set). NETCURL-280: Added proxy support for all wrappers.
NETCURL-294: Can't initialize an empty curlwrapper (without url set). NETCURL-280: Added proxy support for all wrappers.
Fixed limitations for external tests. Checking proxy before usage - if there is a pipeline running tests, it will skip the proxy testing since they are not whitelisted.