Add/Fix: org-ql-view-mode, and check when refreshing

Use a derived major mode for org-ql-view buffers, and ensure that mode
is active when calling org-ql-view-refresh, to avoid interfering with
buffers in other modes if the user calls the command by accident.

See
<b87156f2bb>.
Thanks to Alois Janíček (@AloisJanicek) for discovering the bug.

Released as 0.4.3.

org-ql.info

@@ -63,6 +63,7 @@ Functions / Macros
 
 Changelog
 
+* 0.4.3: 043. 
 * 0.4.2: 042. 
 * 0.4.1: 041. 
 * 0.4: 04. 
@@ -95,9 +96,7 @@ File: README.info,  Node: Contents,  Next: Screenshots,  Prev: Top,  Up: Top
 1 Contents
 **********
 
-   • • • 
-        • • 
-             • • • • • • 
+   • • • • • 
 
 File: README.info,  Node: Screenshots,  Next: Installation,  Prev: Contents,  Up: Top
 
@@ -705,6 +704,7 @@ releases.
 
 * Menu:
 
+* 0.4.3: 043. 
 * 0.4.2: 042. 
 * 0.4.1: 041. 
 * 0.4: 04. 
@@ -718,9 +718,19 @@ releases.
 * 0.1: 01. 
 
 
-File: README.info,  Node: 042,  Next: 041,  Up: Changelog
+File: README.info,  Node: 043,  Next: 042,  Up: Changelog
 
-5.1 0.4.2
+5.1 0.4.3
+=========
+
+*Fixed*
+   • When org-ql-view-refresh is called, ensure the buffer is an Org QL
+     View buffer.
+
+
+File: README.info,  Node: 042,  Next: 041,  Prev: 043,  Up: Changelog
+
+5.2 0.4.2
 =========
 
 *Fixed*
@@ -729,7 +739,7 @@ File: README.info,  Node: 042,  Next: 041,  Up: Changelog
 
 File: README.info,  Node: 041,  Next: 04,  Prev: 042,  Up: Changelog
 
-5.2 0.4.1
+5.3 0.4.1
 =========
 
 *Fixed*
@@ -739,7 +749,7 @@ File: README.info,  Node: 041,  Next: 04,  Prev: 042,  Up: Changelog
 
 File: README.info,  Node: 04,  Next: 032,  Prev: 041,  Up: Changelog
 
-5.3 0.4
+5.4 0.4
 =======
 
 _Note:_ The next release, 0.5, may include changes which will require
@@ -820,7 +830,7 @@ as they will be pushed to the master branch when ready.
 
 File: README.info,  Node: 032,  Next: 031,  Prev: 04,  Up: Changelog
 
-5.4 0.3.2
+5.5 0.3.2
 =========
 
 *Fixed*
@@ -833,7 +843,7 @@ File: README.info,  Node: 032,  Next: 031,  Prev: 04,  Up: Changelog
 
 File: README.info,  Node: 031,  Next: 03,  Prev: 032,  Up: Changelog
 
-5.5 0.3.1
+5.6 0.3.1
 =========
 
 *Fixed*
@@ -843,7 +853,7 @@ File: README.info,  Node: 031,  Next: 03,  Prev: 032,  Up: Changelog
 
 File: README.info,  Node: 03,  Next: 023,  Prev: 031,  Up: Changelog
 
-5.6 0.3
+5.7 0.3
 =======
 
 *Added*
@@ -908,7 +918,7 @@ File: README.info,  Node: 03,  Next: 023,  Prev: 031,  Up: Changelog
 
 File: README.info,  Node: 023,  Next: 022,  Prev: 03,  Up: Changelog
 
-5.7 0.2.3
+5.8 0.2.3
 =========
 
 *Fixed*
@@ -918,7 +928,7 @@ File: README.info,  Node: 023,  Next: 022,  Prev: 03,  Up: Changelog
 
 File: README.info,  Node: 022,  Next: 021,  Prev: 023,  Up: Changelog
 
-5.8 0.2.2
+5.9 0.2.2
 =========
 
 *Fixed*
@@ -929,8 +939,8 @@ File: README.info,  Node: 022,  Next: 021,  Prev: 023,  Up: Changelog
 
 File: README.info,  Node: 021,  Next: 02,  Prev: 022,  Up: Changelog
 
-5.9 0.2.1
-=========
+5.10 0.2.1
+==========
 
 *Fixed*
    • (descendants) selector matched against parent heading instead of
@@ -939,7 +949,7 @@ File: README.info,  Node: 021,  Next: 02,  Prev: 022,  Up: Changelog
 
 File: README.info,  Node: 02,  Next: 01,  Prev: 021,  Up: Changelog
 
-5.10 0.2
+5.11 0.2
 ========
 
 *Added*
@@ -1022,7 +1032,7 @@ File: README.info,  Node: 02,  Next: 01,  Prev: 021,  Up: Changelog
 
 File: README.info,  Node: 01,  Prev: 02,  Up: Changelog
 
-5.11 0.1
+5.12 0.1
 ========
 
 First tagged release.
@@ -1083,42 +1093,43 @@ GPLv3
 
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+Node: org-ql-sparse-tree6693
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+Node: Non-sexp query syntax8401
+Node: General predicates10108
+Node: Ancestor/descendant predicates14915
+Node: Date/time predicates16043
+Node: Functions / Macros18698
+Node: Agenda-like views18931
+Node: Listing / acting-on results20336
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+Node: 04225695
+Node: 04125854
+Node: 0426093
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+Node: Notes38396
+Node: Comparison with Org Agenda searches38558
+Node: org-sidebar39429
+Node: License39708
 
 End Tag Table