[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.
[SugarVersion] Remove unneeded code and comments
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
Merge pull request #54 from alias-mac/code-cleanup

[SugarVersion] Remove unneeded code and comments
[Core] Use set_include_path() on BOOT_SUGAR_ROOT instead of chdir() on BOOT_SUGAR_FULL
Merge pull request #58 from jcsmorais/set-include-path

[Core] Use set_include_path() instead of chdir()
Increase code coverage on bootstrap levels
Merge pull request #57 from jcsmorais/bootstrap-levels-code-coverage

Increase code coverage on bootstrap levels
Sugar::getBean() should return the $bean (fixes #60)
Merge pull request #60 from alias-mac/ticket-60

Running insulin s:v -vvv -d on latest master gives fatal error