0.4.5

This release resolves the shemozzle around #1

0.4.5:

• removed "virtual ~st7567sfGKAdafruit();" added in 0.4.4
• removed inline from both virtual functions write(uint8_t value)

0.4.4:

• font.cpp replaced reference to <avr/pgmspace.h> with <Arduino.h>
• added "virtual ~st7567sfGKAdafruit();" to satisfy stm32 arm compiler

adds Adafruit-Fonts

• cache extended to write-cache with dirty, begincache()/endcache(), only used for text output
• st7567sfGKAdafruit: adds Adafruit-Fonts to st7567sfGK class
• Split into (at least for now) two classes.
  st7567sfGKBase: has all the drawing stuff and a simple text output
  st7567sfGK: adds all the .print()/.println() goodness from Print-class

add print()-Interface

add print()-Interface

0.3.11

fixing library.properties