Enhancement on page read

Enhancement on page read, thanks to @shacker140 , that fixes #8

Enhanced paged operations and ATTiny support

• Enhanced paged read/writes (thanks to @mrfaptastic )
• ATTiny support
• Add ATTiny example

Page read/write and long read fix

• Fix long reads bug, #3
• Implement paged reads and writes (32 bytes pages, as 64 bits doesn't fit on Wire library's buffer) to mitigate EEPROM wearing.
• Added html documentation
• Splitted docs and extras to another repository

Remove stray Serial.println() call

Thanks to @linusnielsen

First release

Splitted same functionality as uRTCLib - https://github.com/Naguissa/uRTCLib