Rename the universe

```sass
// Test
$bootcamp-should-a-value            => $bc-actual
$bootcamp-should-a-text             => $bc-actual-text
$bootcamp-should-b-value            => $bc-expect
$bootcamp-should-b-text             => $bc-expect-text

// Errors
$bootcamp-should-force-error        => $bc-error
$bootcamp-should-error              => $bc-error-text

// Descriptions
$bootcamp-current-description       => $bc-describe
$bootcamp-new-description           => $bc-describe-new
$bootcamp-previous-description      => $bc-describe-old
$bootcamp-current-description-level => $bc-describe-depth

// Test status
$bootcamp-skipping                  => $bc-skipping
$bootcamp-passing-assertions        => $bc-passing

// Results
$bootcamp-number-of-tests           => $bc-total
$bootcamp-number-of-assertions      => $bc-asserts
$bootcamp-number-of-passed          => $bc-passed
$bootcamp-number-of-failed          => $bc-failed
$bootcamp-number-of-skipped         => $bc-skipped
$bootcamp-output-string             => $bc-stats
$bootcamp-errors                    => $bc-errors

// Settings
$bootcamp-setting-verbose           => $bc-setting-verbose
$bootcamp-setting-warnings          => $bc-setting-warnings

// Private
$_bootcamp-assertion-status         => $_bc-status

// Utils
bootcamp-util-contain()             => bc-util-contain()
bootcamp-util-equal()               => bc-util-equal()
bootcamp-util-power()               => bc-util-power()
bootcamp-util-stringify()           => bc-util-stringify()
```