Update version number and update documentation
* Add `CLASS` to supported alt-link patterns (#21)
* Add bootstrap command (#42)
* Support wildcards for alt-links (#43)
* Stash conflicting data during clone (#44)
* Offer bootstrap after successful clone (#45)
* Display supported configs for `yadm config` (#46)
* Add "curl-pipe" program to clone without installation (#48)
* Fix bug in alt-link regular expressions (#49)
Update version number and update documentation
* Improve portability of `hostname` (#23)
* Fix incompatibilities between Cygwin and Git for Windows (#26)
* Allow Git program to be configured via yadm.git-program (#30)
* Support alt-links for encrypted files (#34)
* Exit with the same return value as Git (#35)
* Support spaces in alt-link paths (#36)
* Ignore empty lines in .yadm/encrypt (#40)
* Fix typos (#41)
Update version number and update documentation
* Improve portability of shebang line (#14)
* Support for symlinked directories (#17)
* Improve portability of tar parameters (#18)
* Support alternate gpg program (#19)
* Fallback to using `ls` if `/bin/ls` does not exist (#22)