0.1.2.0

• Add --prune flag to stack dot #487
• Add --[no-]external,--[no-]include-base flags to stack dot #437
• Add --ignore-subdirs flag to init command #435
• Handle attempt to use non-existing resolver #436
• Add --force flag to init command
• exec style commands accept the --package option (see Reddit discussion)
• stack upload without arguments doesn't do anything #439
• Print latest version of packages on conflicts #450
• Flag to avoid rerunning tests that haven't changed #451
• stack can act as a script interpreter (see Script interpreter and Reddit discussion)
• Add the --file-watch flag to auto-rebuild on file changes #113
• Rename stack docker exec to stack exec --plain
• Add the --skip-msys flag #377
• --keep-going, turned on by default for tests and benchmarks #478
• concurrent-tests: BOOL #492
• Use hashes to check file dirtiness #502
• Install correct GHC build on systems with libgmp.so.3 #465
• stack upgrade checks version before upgrading #447