Fixed the clever's mining fatigue still active after throwing the cleaver, closes #731
Fixed melting glueballs into gold
Adds dropping experiance when breaking blocks, example Coal and Lappis
Merge pull request #775 from bonii-xx/master

Fix addtoolMaterial always adding null
Merge pull request #774 from Glassmaker/patch-multifixes

Multifixes: cleaver's mining fatigue &  melting glueballs into gold
en_PT.lang
Merge pull request #776 from NotGyro/master

en_PT.lang
Add comment for magic number in HarvestTool
ModIntegration: Fix CertusQuartz not being registered correctly as Attack Modifier
Merge branch 'master' of https://github.com/SlimeKnights/TinkersConstruct