v0.4

• Allow setting GNUPGHOME from config file.

v0.3

• Don't use PAM environment during auth anymore (6f95269).
• Add some debug logging (new option debug) and option checking.
• Restructure README.

v0.2

• If ~/.pam-gnupg is not found, we now check ${XDG_CONFIG_HOME:-$HOME/.config}/pam-gnupg.
• Most stuff after fork()ing and dropping privileges is moved to a helper binary to avoid potential issues in multi-threaded applications.

v0.1

First release fixes a security issue.