Update weighteffect.py

Working on the shop module.
Update weighteffect.py
Update weighteffect.py

Untested but completed store module.
Update weighteffect.py

Added the stat_modder function
Merge pull request #2 from Utreekov/patch-2

Update weighteffect.py
Merge pull request #3 from bedevere/0.1

0.1
Update weighteffect.py

some bugs fixed
Merge pull request #1 from bedevere/master

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