minor tweaks and optimizations: minimize function calls in _fetch_uri_string(); use constant PHP_SAPI instead of function php_sapi_name()
fix imagejpeg() parameter, should be NULL instead of empty string
Small typo in autoload config.

Fixed "Packges" to read "Packages".
Syntax fixes in documentation source
Merge pull request #2133 from TheDigitalOrchard/image_lib-imagejpeg

fix imagejpeg() parameter, should be NULL instead of empty string
Merge pull request #2136 from n1c/patch-1

[ci skip] Small typo in autoload config.
Merge pull request #2139 from timw4mail/develop

Fix interbase limit issue for subqueries
Merge pull request #2141 from vlakoff/develop

Syntax fixes in documentation source
Apply improvement proposed in #2142
Merge pull request #2127 from TheDigitalOrchard/uri-lib-optimizations

minor tweaks and optimizations to URI library
Fix SQLSRV escape_str()
Unify escape_str() array input and LIKE logic

Added protected method _escape_str() to deal with quote escaping.
URI->_remove_url_suffix() : suffix has to be at the end of uri_string

related to #2135
A tiny improvement
URI->_remove_url_suffix() : more efficient code

related to #2135
Merge pull request #2145 from vlakoff/develop

URI->_remove_url_suffix() : suffix has to be at the end of uri_string
Implement autoload model aliasing (#2117)
Replace is_null() with === / !== NULL

Exact same behavior, but faster. I also think it's more readable.
[ci skip] Fix issue #2157 - docs on the email library
A few adjustments to previous commit