Added TODOs for features that will make Kerberos ticket cache renews work.
Added an environment variable dict to escalate_message*.
Add environment variable support to pam-escalate-helper.
Add environment variable support to pam_escalate.so
Fixed new memory leaks in src/escalate*.
Added tool for manually testing arbitrary PAM configs.
Added src/pam_test_tool to ".gitignore".
Increment version to 0.4 for environment variable support in pam_escalate.so.