change setContrast to fix type missmatch

fix integer types

remove unreachable code

improve constructor

fix #181

Merged lots of PR + fix some memory leaks

Fixed drawProgressBar

Updated URL in library.properties

Fixing a typo

cleanup compiler warnings

Standalone html page to graphically edit fonts

#143 Use virtual destructor on base class

Fix typo

Added getColor function

fix const condition check

Method to mirror the display

Fix warnings when compiling against GCC 5.4

correct type to avoid compiler warning

Allow for use of either 128x64 or 128x32 displays

Support for custom font table look-up function

Changed negative to positive sign at maxProgressWidth