ofxDatGui

fix for text input cursor not tracking character width correctly. fixes #27

fix for groups not positioning & resizing correctly when using bottom anchors. closes #122

slider change event bug fixes on bound variables. sliders now uses floats instead of doubles. removing old printValue & mTruncateValue flag

slider now dispatches change event when on slider->setValue() fixes #106

sample files and core updated for oF v0.10.0 & Xcode 9.4