calculation for ISC Lib Pool QC
cleaning
added a test
comments
criticised
Fixing tests
Following remarks
Simplifying expressions
Adding the concept of plate name for the ISC_pool_calculator.
Transforming into an object rather than a module.
Adding more tests.
moving files
updated file path
fixing doc
Merge pull request #108 from benoitmangili/C53

C53 - ISC Lib Pool QC - calculation module only