send back event with substituted command tokens
[payloads] moved invalid result log line to valid_result?()
Merge pull request #538 from portertech/payloads

[payloads] moved invalid result log line to valid_result?()
[token_default] reduce the number of ternary operators in token substitution
Merge pull request #539 from portertech/token_default

[token_default] reduce the number of ternary operators in token substitution
Merge pull request #525 from piavlo/feature/return-result-with-substituted-command-tokens

send back event with substituted command tokens
[525] command_executed, command after token substitution
Merge pull request #540 from portertech/525

[525] command_executed, command after token substitution
beta version bump, 0.9.13.beta.1