Improved logical accuracy of Ctrl+W in insert mode

Moved test libraries to dev-dependencies

Implemented some more motion types

Implemented ToLower, ToUpper, JoinLines, Indent, Undo, and Redo verbs

'O' and 'o' operators now behave correctly

Added many more unit tests for the readline module

Cargo.toml

@@ -13,13 +13,15 @@ debug = true
 bitflags = "2.8.0"
 clap = { version = "4.5.38", features = ["derive"] }
 glob = "0.3.2"
-insta = "1.42.2"
 nix = { version = "0.29.0", features = ["uio", "term", "user", "hostname", "fs", "default", "signal", "process", "event", "ioctl", "poll"] }
-pretty_assertions = "1.4.1"
 regex = "1.11.1"
 unicode-segmentation = "1.12.0"
 unicode-width = "0.2.0"
 
+[dev-dependencies]
+insta = "1.42.2"
+pretty_assertions = "1.4.1"
+
 [[bin]]
 name = "fern"
 path = "src/fern.rs"