- QA: Unify inline documentation
- QA: Mark "null" and "xarloader" classes as final as documented
- Use uniqid() instead of microtime for BC generics
- Use identity comparison in various places instead of equality
- Remove "static", keep xp::sapi() deprecated
# Thanks @kiesel
Merge pull request #271 from thekid/lang-base-qa

[QA] lang.base.php
Merge branch 'master' into numbers-checks-in-valueof