Release 1.0.3
job_init(): don't call setpgid() if non-interactive (re: 41ebb55a)
vi: Do not attempt 0 or ^ commands from start of line (#524)
No completion before 1st char or in empty line (re: b6c8bb7b) (#523)
Fix freeze on HISTSIZE value exceeding INT_MAX
vi mode: Disable = and tab at the start of the line (#521)
package: make 'bin/package use' use the compiled shell
Disable -b/--notify pty regress test for now (re: 667034ff)