Fixing push/pull messages, and do not reverse the changes to download/upload

Dependencies

• [2] I52XSRUH Massive cleanup, and simplification
• [3] YS2HLPX6 Don't propose an empty list of changes to push
• [4] BAUL3WR2 Format, versions, README
• [5] 5HF7C67M push/pull: fixed "changes" arguments
• [6] 76PCXGML Pushing to, and pulling from the local repository
• [7] 5DVRL6MF Hard-unrecord
• [8] XWETQ4DE Upgrading versions
• [9] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).
• [10] M5FK3ABT Complete dependencies when pushing and pulling
• [11] IMCZFTIJ Update selection instructions to also mention pushing

Change contents

• edit in pijul/src/commands/pushpull.rs at line 202
  [3.116906]→[3.116906:116935](∅→∅)
  − to_upload.reverse();
• replacement in pijul/src/commands/pushpull.rs at line 236
  [3.1194]→[3.0:69](∅→∅)
  − let mut o = make_changelist(&repo.changes, &to_upload)?;
  [3.1194]

  [3.69]
  + let mut o = make_changelist(&repo.changes, &to_upload, "push")?;
• replacement in pijul/src/commands/pushpull.rs at line 243
  [3.324]→[3.324:383](∅→∅)
  − o = make_changelist(&repo.changes, &comp)?
  [3.324]

  [3.383]
  + o = make_changelist(&repo.changes, &comp, "push")?
• edit in pijul/src/commands/pushpull.rs at line 341
  [3.119116]→[3.119116:119151](∅→∅)
  − to_download.reverse();
• replacement in pijul/src/commands/pushpull.rs at line 367
  [3.120145]→[3.398:469](∅→∅)
  − let mut o = make_changelist(&repo.changes, &to_download)?;
  [3.120145]

  [3.469]
  + let mut o = make_changelist(&repo.changes, &to_download, "pull")?;
• replacement in pijul/src/commands/pushpull.rs at line 374
  [3.734]→[3.734:793](∅→∅)
  − o = make_changelist(&repo.changes, &comp)?
  [3.734]

  [3.793]
  + o = make_changelist(&repo.changes, &comp, "pull")?
• edit in pijul/src/commands/pushpull.rs at line 431
  [2.2644]

  [3.121328]
  + verb: &str,
• replacement in pijul/src/commands/pushpull.rs at line 437
  [3.121455]→[3.32:108](∅→∅)
  − "# Please select the changes to pull. The lines that contain just a
  [3.121455]

  [3.121531]
  + "# Please select the changes to {}. The lines that contain just a
• replacement in pijul/src/commands/pushpull.rs at line 439
  [3.121602]→[3.82:105](∅→∅)
  − # be pulled/pushed.\n"
  [3.121602]

  [3.121618]
  + # be {}ed.\n",

  + verb, verb,