* Parser: allow more macros names back

* Formatter: format setter macros

* Compiler: fix incorrect casting between different union types

* Add regression tests

Co-authored-by: Brian J. Cardiff <bcardiff@gmail.com>

This reverts commit b6742f04.

* Fix Number::StepIterator overflow

* Simplify fix

* crystal tool format

Co-authored-by: Johannes Müller <straightshoota@gmail.com>

This reverts commit d44a61f8.

Co-authored-by: TSUYUSATO Kitsune <make.just.on@gmail.com>

For tuples, the index of the element should be used instead of a instance var.

* CI: Drop check_format

* Update distribution-scripts

* Revert "Deprecate Enumerable#size (#10162)"

This reverts commit 9bf7533c.

* Keep TODO

Co-authored-by: Johannes Müller <straightshoota@gmail.com>

Exceptions from the main routine should be safe to print using
`#inspect_with_backtrace`. They don't need be printed directly to STDERR
using `print_exception`.

* Add support for custom failure messages in Spec expectations

* Force file and line to be named parameters

* Allow should and should_not with positional file and line as deprecated

Co-authored-by: Brian J. Cardiff <bcardiff@gmail.com>

* Remove TypeNode#has_attribute? and references to "attribute"

* Mark `TypeNode#has_attribute?` as deprecated instead

* Fix failing tests in macro_methods_spec.cr

* Add {additive,multiplicative}_identity for #sum and #product

* Optimize Enumerable#sum for strings

* Optimize Array#sum for arrays

* wip-falllback

* Add identity methods to Complex

* Move #sum optimization for Array to Enumerable

* Add return type annotations

* Remove code block language tags

* Improve documentation

* Remove optimization for Iterator

* Add specs for float

* Fix Path#extension to ignore trailing separators

* Add Path#stem

* Reset free vars before attempting each overload match

* Use try(&.clear)

* Respect explicitly provided type vars for (Named)Tuple.new

* Use uninitialized self inside typeof

* Escape HTML entities in doc comments

* Put a HTML entity out of backticks
because then at least typical Markdown parsers agree with Crystal's parser.

* if I have installed an llvm-config that is newer than crystal yet supports, it says 'Could not locate llvm-config' even though it can locate it, it's just the wrong version, attempt fix message

* Update Makefile

Co-authored-by: Johannes Müller <straightshoota@gmail.com>

* mention where to find compatible versions

Co-authored-by: Johannes Müller <straightshoota@gmail.com>