1.19.1

• Fixed contrast (brightness) setting for SH1106 and SSD1306 devices
• Fixed compiler warnings

1.18.1

• Fixed contrast assignment for SSD1309 and UC1611
• Fixed bug in u8g_DrawLine(), Github issue 343
• Fixed bug in u8g_DrawStr90P(), Github issue 331
• Support for SSD1306 with 64x48 pixel

v1.18pre3

new readme, added new file from repo