[#337] Add ability to coerce between expressions of compatible types

Description

Add ability to coerce between expressions of compatible types with coerce.

Additionally, uses more specific Lorentz instructions to compile 'name' and 'unname'.

Related issue(s)

Resolves #337 (closed)

Checklist for your Merge Request

Related changes (conditional)

• Tests (see short guidelines)

  • If I added new functionality, I added tests covering it.
  • If I fixed a bug, I added a regression test to prevent the bug from silently reappearing again.

• Documentation

  • I checked whether I should update the docs and did so if necessary:
    • Root README and other README.md files
    • Haddock
    • docs/
  • I updated changelog files of all affected packages released to Hackage if my changes are externally visible.

Stylistic guide (mandatory)

• My commits comply with the following policy.
• My code complies with the style guide.

added lorentz + 1 deleted label

mentioned in merge request morley-ledgers!8 (merged)

added 6 commits

• 5a21069a...7d4a77b3 - 4 commits from branch master
• bed6515d - [#337 (closed)] add expression to coerce to Indigo
• f9dc5cc7 - [#337 (closed)] use specific coercions for Indigo's name/unname compilation

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unmarked as a Work In Progress

marked the checklist item Root README and other README.md files as completed

marked the checklist item Haddock as completed

marked the checklist item docs/ as completed

marked the checklist item I updated changelog files of all affected packages released to Hackage if my changes are externally visible. as completed

marked the checklist item My commits comply with the following policy. as completed

marked the checklist item My code complies with the style guide. as completed

added 2 commits

• e3f6e366 - [#337 (closed)] add expression to coerce to Indigo
• ab2acbdd - [#337 (closed)] use specific coercions for Indigo's name/unname compilation

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approved this merge request

added 1 commit

• 99f82888 - fixup! [#337 (closed)] add expression to coerce to Indigo

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marked as a Work In Progress from 99f82888

approved this merge request

added 3 commits

• 008a4460 - [#337 (closed)] add expression to coerce to Indigo
• cb1873ab - [#337 (closed)] use specific coercions for Indigo's name/unname compilation
• 5c53c33c - [#337 (closed)] update Indigo version to 0.2.1

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approved this merge request