v0.2.0

• Accept true/false for boolean variables (61451e8)
• Setting a color environment variable to an empty string is now treated as an error (use default as value instead) (0e5e9cc)
• Updated names of environment variables (89fccc1, c59e1b3, e3e0803)
  • CWD_COLOR -> PATH_COLOR
  • MSHP_GIT_STAGED_ICON -> MSHP_GIT_STATUS_STAGED_ICON
  • MSHP_GIT_UNSTAGED_ICON -> MSHP_GIT_STATUS_UNSTAGED_ICON
  • MSHP_GIT_UNTRACKED_ICON -> MSHP_GIT_STATUS_UNTRACKED_ICON
  • MSHP_USER_INDICATOR -> MSHP_CHAR_USER_ICON
  • MSHP_USER_INDICATOR_COLOR -> MSHP_CHAR_USER_COLOR
  • MSHP_ROOT_INDICATOR -> MSHP_CHAR_ROOT_ICON
  • MSHP_ROOT_INDICATOR_COLOR -> MSHP_CHAR_ROOT_COLOR