Dangerous Doughnut

I went on a bug killing spree.

Bug Fixes:

• Use native block cursor for solid cursor setting
• Fix command remapping incorrectly being triggered in the middle of commands
• Fix some leader bugs (thanks @xconverge!)
• Add nohl aliases and untrigger it in some locations (thanks @xconverge!)
• Fix a bug with remapping long commands.
• Fix backspacing indents
• Fix dit for empty tags.
• Fix deleting to marks.
• Fix a bug with <C-a> and <C-x> incrementing/decrementing the wrong number.
• Fix #<k in some situations.

Features:

• Add :nohl
• Allow search highlight color to be customized
• Add <CR> as a synonym for \n.
• Add showcmd configuration setting, defaulting to on.
• Recognize and use <leader>
• Allow remapping directly to VSCode commands.
• Add <space> as a synonym for .