Default max import depth of 50
So even without a timeout, there is a limit on bonkers cases.
Standard resolver defaults to INIFINTY since the standard does not
define a depth limit.
Add grab-bag of useful utils onto expressions
Allow self-describing CBOR
Switch to registry pattern for TypeChecker.for
If trying to import from IPFS, fallback to gateway
Tests are long for good reasons
Make every Expression a ValueSemantics and use the known list of
attributes to map generically over any AST node.
Introduces a conditional, but removes boilerplate from every single
Internal flag to disable for acceptance tests from the standard (which
assume beta-only normalization in some cases). Otherwise, just always
alpha normalize as we go.
Implement many builtins and do Optional section
Start to implement normalization rules
Decoding Dhall from binary works