Spells/Weaken: Fix calculation of the effect and it's duration.

Duration: [[Evaluating Intelligence / 5] + 1] * 6)
Effect: 8 + [Evaluating Intelligence](Caster's) / 10 - [Resisting Spells](Target's) / 10)

Signed-off-by: Kitiara <vinas_solamnus1@hotmail.com>
Rest of previous commit.

Signed-off-by: Kitiara <vinas_solamnus1@hotmail.com>
Fix for the default light levels and some changes about code style

Signed-off-by: Kitiara <vinas_solamnus1@hotmail.com>
Things i have forgotten to delete

Signed-off-by: Kitiara <vinas_solamnus1@hotmail.com>
Merge branch 'master' of https://github.com/Kitiara/UOX3