Enhance CQL Implementation

[alexanderkiel]

• update systems.uom/systems-quantity and systems.uom/systems-ucum to v2.1 in order to get the mm[Hg] unit and be at the current version

• implement the Long data type

• fix documentation section numbers to reflect the spec v1.5.1

• use the current CQL tests

• update CQL compatibility matrix to reflect new operators from v1.5.1

[codecov]

Codecov Report

Merging #582 (be1d07c) into develop (dbe480f) will increase coverage by 0.03%.
The diff coverage is 98.07%.

@@             Coverage Diff             @@
##           develop     #582      +/-   ##
===========================================
+ Coverage    92.45%   92.48%   +0.03%     
===========================================
  Files          232      233       +1     
  Lines        13659    13682      +23     
  Branches       407      405       -2     
===========================================
+ Hits         12628    12654      +26     
+ Misses         624      623       -1     
+ Partials       407      405       -2     

Impacted Files	Coverage Δ
modules/cql/src/blaze/elm/compiler.clj	100.00% <ø> (ø)
modules/cql/src/blaze/elm/date_time.clj	93.24% <ø> (ø)
modules/cql/src/blaze/elm/deps_infer.clj	77.43% <ø> (ø)
modules/cql/src/blaze/elm/integer.clj	95.23% <94.11%> (+1.64%)	⬆️
modules/cql/src/blaze/elm/boolean.clj	100.00% <100.00%> (ø)
...ql/src/blaze/elm/compiler/arithmetic_operators.clj	100.00% <100.00%> (ø)
...dules/cql/src/blaze/elm/compiler/simple_values.clj	100.00% <100.00%> (ø)
...ules/cql/src/blaze/elm/compiler/type_operators.clj	71.76% <100.00%> (+0.68%)	⬆️
modules/cql/src/blaze/elm/decimal.clj	99.18% <100.00%> (+0.84%)	⬆️
modules/cql/src/blaze/elm/nil.clj	100.00% <100.00%> (ø)
... and 5 more