v1.1.0

First release using new version control procedures.

Changes:

• #161 fixed a bug in detachInterrupt
• #162 added static memory usage display to the compile step
• #159 added a function "getInternalTemp()" to return the temperature reading from the processor
• #156 and #157 corrected Serial usage in low power examples
• #154 fixed SPI full duplex transfers after updating to AmbiqSuite HAL version 2.4.2
• #153 fixed PWM inversion bug that affected analogWrite and Servo
• #152 fixed incorrect pad definitions for RBA Nano
• #150 supports arbitrary I2C clock frequency setting