Merge pull request louthy#448 from StefanBertels/fix_bug_biconditional

fix logic bug with biconditional in bigint

Update README.md

Update README.md

Merge pull request louthy#330 from bender2k14/feature/implement_IsDef…

…ault_via_new_method_on_Check

utilzing the Check class to implement IsDefault extension method

Merge pull request louthy#325 from bender2k14/feature/reorganize_null…

…_checking_code

Feature/reorganize null checking code

Fix bugs in toMapUpdate and toMapTry

Fix for IfFailThrow not throwing if an internal operation caught the …

…exception and returned it as Result

louthy#264

2.1.14

Validation serialisation