C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'int ZtLib::Seg8b4DisplayDec(uint8_t, short unsigned int, uint8_t, uint8_t)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:60: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'int ZtLib::Seg8b4DisplayHex(uint8_t, short unsigned int, uint8_t, uint8_t)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:93: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'int ZtLib::Seg8b4SetLumin(uint8_t, uint8_t, uint8_t)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:99: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'int ZtLib::Seg8b4SetAddress(uint8_t)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:105: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'int ZtLib::Seg8b4DisplayBuff(uint8_t, uint8_t*)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:112: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'int ZtLib::Seg8b4ReadVersion(uint8_t, uint8_t*, uint8_t)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:43: error: too few arguments to function 'uint8_t twi_readFrom(uint8_t, uint8_t*, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:117: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'int ZtLib::ScI2cM1Display8x16Str(uint8_t, uint8_t, uint8_t, const char*)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:135: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'int ZtLib::ScI2cM1FillArea(uint8_t, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:141: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'int ZtLib::ScI2cM1ScrollingHorizontal(uint8_t, uint8_t, uint8_t, uint8_t, uint8_t)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:146: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:150: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'int ZtLib::ScI2cM1ScrollingVertical(uint8_t, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:156: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'int ZtLib::ScI2cM1ScrollingVerticalHorizontal(uint8_t, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:161: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'int ZtLib::ScI2cM1DeactivateScroll(uint8_t)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:166: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'int ZtLib::ScI2cM1Reset(uint8_t)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:171: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'int ZtLib::ScI2cM1SetLocation(uint8_t, uint8_t, uint8_t)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:176: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'void ZtLib::ScI2cM1DisplayDot16x16(uint8_t, uint8_t, uint8_t, const char*)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:187: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:193: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h: In member function 'void ZtLib::ScI2cM1DisplayArea(uint8_t, uint8_t, uint8_t, uint8_t, uint8_t, const char*)':
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:221: error: at this point in file
C:\arduino\arduino-1.0.1\libraries\ZtLib\/..\Wire\utility/twi.h:44: error: too few arguments to function 'uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t)'
C:\arduino\arduino-1.0.1\libraries\ZtLib\ZtLib.cpp:231: error: at this point in file
http://www.ebay.com.au/itm/I2C-interface-4-Digit-8-Segment-LED-Display-Digitron-Module-compatible-Arduino-/180945892876?_trksid=p5197.m1992&_trkparms=aid%3D111000%26algo%3DREC.CURRENT%26ao%3D1%26asc%3D14%26meid%3D6721270036355912245%26pid%3D100015%26prg%3D1006%26rk%3D1%26sd%3D180945892876%26basically, I bought that above.
I thought maybe it was faulty so i used Nick Gammon's I2C' scanner
0x27 i2C address found
So then, if this library supposedly works with 1.0 what's with all the fuss for 1.0.1?