Merge pull request #50 from jaypipes/exec-err

correct exit code assertion in exec plugin

Merge pull request #49 from jaypipes/exec-debug

trim space from exec plugin out/err

Merge pull request #47 from jaypipes/cleanup

break run spec and exec spec into separate methods

Merge pull request #42 from jaypipes/panic-at-the-disco

move WithTimeout after wait.before execution

Merge pull request #41 from jaypipes/panic-at-the-disco

calculate timeout before doing wait.before

Merge pull request #40 from jaypipes/panic-at-the-disco

pull PushTrace up into main spec loop

Merge pull request #38 from jaypipes/panic-at-the-disco

catch innermost spec context timeout

Merge pull request #35 from jaypipes/api

consolidate types/, result/ and errors/ into api/

Merge pull request #33 from jaypipes/simplify-eval

simplify Evaluable interface and Scenario.Run

Merge pull request #32 from jaypipes/timeout-plugin-specified

allow plugin-defaulted timeout values