Log Message:
Update to 1.026. From the changelog:

- Fixed negative indexing bugs in str_findprev* and ibuf_getstr_crlf
  functions. Thanks Gerrit Pape.

- Added the capability to bg-installer to optionally run commands based
  on the existance of the source (or another) file.

- Fixed bg-installer to not create directories in "dry-run" mode.