Added version 1.7 CHANGES.

CHANGES

@@ -1,4 +1,39 @@
 
+Changes with Unit 1.7                                            20 Dec 2018
+
+    *) Change: now rpath is set in Ruby module only if the library was not
+       found in default search paths; this allows to meet packaging
+       restrictions on some systems.
+
+    *) Bugfix: "disable_functions" and "disable_classes" PHP options set via
+       Control API did not work.
+
+    *) Bugfix: Promises on request data in Node.js were not triggered.
+
+    *) Bugfix: various compatibility issues with Node.js applications.
+
+    *) Bugfix: a segmentation fault occurred in Node.js module if
+       application tried to read request body after request.end() was
+       called.
+
+    *) Bugfix: a segmentation fault occurred in Node.js module if
+       application attempted to send header twice.
+
+    *) Bugfix: names of response header fields in Node.js module were
+       erroneously treated as case-sensitive.
+
+    *) Bugfix: uncatched exceptions in Node.js were not logged.
+
+    *) Bugfix: global install of Node.js module from sources was broken on
+       some systems; the bug had appeared in 1.6.
+
+    *) Bugfix: traceback for exceptions during initialization of Python
+       applications might not be logged.
+
+    *) Bugfix: PHP module build failed if PHP interpreter was built with
+       thread safety enabled.
+
+
 Changes with Unit 1.6                                            15 Nov 2018
 
     *) Change: "make install" now installs Node.js module as well if it was