[Core] Unable to boot Sugar to BOOT_SUGAR_FULL level

The Quotes module uses `$beanFiles` on `require_once` on the top of the class
file.
Provide error reporting for all errors within Insulin

SugarCRM errors should be wrapped outside our code so that we can track our own
code issues.
Merge pull request #56 from alias-mac/error-handler

Provide error reporting for all errors within Insulin
Merge pull request #55 from alias-mac/hotfix-sugar7

[Core] Unable to boot Sugar to BOOT_SUGAR_FULL level
Increase code coverage on bootstrap levels