fix error handling for execute query [0.13.2]

Details of additions/deletions below:
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Modified:   Lib/Core/Db/Model/Resource/ResourceAbstract.php
            -- Updated --
                _executeQuery, fixed error handling

Modified:   Lib/Core/Db/etc/config.ini
            -- Modified --
                changed version from 0.13.1 to 0.13.2
documentation

This version introduces multiple enhancements:

updated event list documentation

Details of additions/deletions below:
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Modified:   doc/events.md
            -- Updated --
                event list split to groups
git ignore

This version introduces multiple enhancements:

added git ignore with some directories to ignore

Details of additions/deletions below:
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Added:      .gitignore
core skin upgrade

This version introduces multiple enhancements:

added bootstrap dark css, scripts and fonts
added scripts to show colorize code

Details of additions/deletions below:
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Added:      skin/core/default/css/base.css
Added:      skin/core/default/css/bootstrap_dark.css
Added:      skin/core/default/css/elusive-webfont.css
Added:      skin/core/default/css/elusive-webfont-ie7.css
Added:      skin/core/default/css/shCore.css
Added:      skin/core/default/css/shThemeDefault.css
Added:      skin/core/default/font/Elusive-Icons.eot
Added:      skin/core/default/font/Elusive-Icons.svg
Added:      skin/core/default/font/Elusive-Icons.ttf
Added:      skin/core/default/font/Elusive-Icons.woff
Added:      skin/core/default/js/base.js
Added:      skin/core/default/js/bootstrap.js
Added:      skin/core/default/js/bootstrap_dropdown_hover.js
Added:      skin/core/default/js/bootstrap_extend.js
Added:      skin/core/default/js/shBrushPhp.js
Added:      skin/core/default/js/shBrushXml.js
Added:      skin/core/default/js/shCore.js
Added:      skin/core/default/js/XRegExp.js
examples.php

This version introduces multiple enhancements:

base file for code usage examples

Details of additions/deletions below:
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Added:      examples.php
example update

This version introduces multiple enhancements:

example moved to example directory
also splited to common footer and header

Details of additions/deletions below:
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Added:      examples/header.php
            -- Added --
                common header

Added:      examples/footer.php
            -- Added --
                common footer

Modified:   examples/index.php
            -- Added --
                footer and header

Modified:   skin/core/default/css/base.css
            -- Updated --
                added main block style

Removed:   examples.php
created base autoloader

This version introduces multiple enhancements:

created autoloader for all system classes (include classes added by composer)
changed directory for base config file

Details of additions/deletions below:
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Modified:   etc/config.ini
            -- Updated --
                moved from Lib to etc

Added:      boot/loader.php
Added:      boot/autoload.php