#1 Minor fixes and documentation

[Sam Johnston]

18c18,20
< * The following PHP.INI settings are relevant:
---
> * To use pearsession, simple include the pearsession
php source file in
> * each php file that will use session functions. In
addition to this the
> * following PHP.INI settings are relevant:
170c172
< return !(DB::isError($result));
---
> return !(DB::isError($rs));