fix: minor volume changes

Author: WhiteHoodHacker

content/issues/1994-02-01 (12-February)/issue.md renamed to content/issues/1994-02-01 (12-4)/issue.md

@@ -1,6 +1,6 @@
 ---
 volume: 12
-issue: February
+issue: 4
 date: "1994-02-01"
 print:
   website: https://web.archive.org/web/20120105062444/http://www.acm.uiuc.edu/banks/feb94/

content/issues/1994-03-01 (12-March)/issue.md renamed to content/issues/1994-03-01 (12-5, EOH)/issue.md

@@ -1,6 +1,6 @@
 ---
 volume: 12
-issue: March
+issue: 5 (EOH)
 date: "1994-03-01"
 print:
   website: https://web.archive.org/web/20120105055222/http://www.acm.uiuc.edu/banks/mar94/

content/issues/1997-02-01 (15-5)/Vol15Issue5.ps renamed to content/issues/1997-02-01 (15-5) [only page 7]/Vol15Issue5.ps

@@ -1,6 +1,6 @@
 ---
 volume: 15
-issue: 5
+issue: 5 (only page 7)
 date: "1997-02-01"
 print:
   source: Vol15Issue5.ps

content/issues/1997-02-01 (15-5)/issue.md renamed to content/issues/1997-02-01 (15-5) [only page 7]/issue.md

@@ -1,6 +1,6 @@
 ---
 volume: 15
-issue: 7
+issue: 7 (only page 5)
 date: "1997-04-01"
 print:
   source: Vol15Issue7.ps