v1.5.1

Fix #42.

v1.5.0: Quality of life improvements

• Add feature
  __posh_git_ps1 <prefix> <suffix> <git_prefix> <git_suffix>
  to yield
  <prefix><git_prefix><git_info><git_suffix><suffix>
  when git information is available.
• Bump versions used for testing.
• Fig installation notes.

1.4.0: Update license to GPLv3.

Adds a ! at the end of the local file status indicators if the repo
has unstaged changes, or a ~ if it has uncommitted (staged) changes
but no unstaged changes. (FR #40)

v1.3.0

• Show typechange as modification.
• Fix documentation example for zsh.
• Use high-intensity ANSI escapes, matching upstream posh-git

v1.2.0

• Match posh-git behavior for
  • Ahead and behind counts
  • Stash display
  • Rename bash.showStashState option to bash.enableStashState
• Acceptance tests! Tests document some known divergences with posh-git.

v1.1.1

Fixes #15 (caused by bad changes in v1.1)

v1.1: ZSH compatibility

• Add __posh_git_echo function.
• Color compatibility with zsh.

v1.0.1

Update README.md