v3.4.22

• Support concept = and concept in filters in LOINC

v3.4.21

• fix issue with version comparison on snomed filters
• fix issue with LOINC filters
• upgrade UCUM to 2.2.

v3.4.20

• Increase POST limit from 20MB to 50MB

v3.4.19

• Allow for zero config to refer to files by absolute URL
• fix language loading problem

v3.4.18

• Fix access violation validating excludes with no system
• Fix access violation validating some SCT value sets
• Add support for seeing db performance stats
• Dump too long results to crash log

v3.4.17

• Performance fixes for tx validation

v3.4.16

• Fix access violation

v3.4.15

• return diagnostics in too costly error

v3.4.14

• Fix bug in LOINC filter validation

v3.4.13

• Fix bug in validation of language specific displays