68c64e9 Reword git-subtree and #include advice
~smlavine pushed to ~smlavine/err git
3907bb4 Add link to err-announce list in README.md
~smlavine pushed to ~smlavine/err git
5063500 Add struct err_configuration, *l() family of functions
~smlavine pushed to ~smlavine/err git
8ee0440 Add err import instructions to the website
~smlavine pushed to ~smlavine/err git