Ceilopyter 0.2.1

• Fix checksum calculation for CL31 messages
• Support CL31 logger format with comma-separated timestamp header

Ceilopyter 0.2.0

• Add LD40, CL61 and CHM 15k readers
• Add noise screening for CT25K

Ceilopyter 0.1.1

• Support more ct25k formats

Ceilopyter 0.1.0

• Initial release