v1.1.0

AGread 1.1.0 includes the following updates/fixes:

• Revised interpolation schemes where necessary to ensure
  matching output between read_gt3x and exported csv files
• Resolved type mismatch in declaration/definition for
  IMU sensor parsing
• Incorporated idle sleep mode assessment
• Updated unit test cache
• Utilized pre-allocation to speed up code (#15, @muschellij2)
• Accounted for trailing zeroes in packets
• Fixed column name detection in read_AG_counts