Merge pull request #131 from NuiCpp/fix/missing-exception-header

Added missing include.

Merge pull request #130 from NuiCpp/feat/boost-1_87-updates

Updated roar revision.

Merge pull request #129 from NuiCpp/feat/compat-updates

Feat/compat updates

Merge pull request #128 from NuiCpp/fix/scope_exit

Fixed scope exit class.

Merge pull request #126 from NuiCpp/fix/better-parcel-target

Changed parcel target to custom command.

Merge pull request #122 from NuiCpp/feat/emplace_element

Standalone Elements And Range Performance Rework

Merge pull request #121 from NuiCpp/fix/competing-observed-ctor

Added flag to Observed<> ctor.

Merge pull request #120 from NuiCpp/feat/update-roar

Update roar.

Merge pull request #117 from NuiCpp/feat/user-events

Feat/user events

Merge pull request #115 from NuiCpp/feat/inline_injector_hint

Added option to add hint comment for inline injector position