Add modificationTime accessors used by MCDirectoryRepository and subclasses

Author: j4yk

src/FS-Core.package/FSDirectoryEntry.class/instance/modificationTime.st

@@ -0,0 +1,4 @@
+accessing
+modificationTime
+	"Return the modification date and time of the entry receiver in seconds."
+	^ modification

src/FS-Core.package/FSDirectoryEntry.class/methodProperties.json

@@ -15,6 +15,7 @@
 		"isFile" : "StephaneDucasse 1/27/2011 22:16",
 		"modification" : "StephaneDucasse 1/27/2011 22:15",
 		"modificationSeconds" : "StephaneDucasse 1/27/2011 22:15",
+		"modificationTime" : "jr 1/1/2019 17:20",
 		"pathSegments" : "CamilloBruni 8/12/2011 20:56",
 		"printOn:" : "sd 2/11/2011 19:40",
 		"readStream" : "CamilloBruni 8/12/2011 20:32",

src/FS-Core.package/FSReference.class/instance/modificationTime.st

@@ -0,0 +1,4 @@
+accessing
+modificationTime 
+	"Returns the last date of modification of self"
+	^ (filesystem entryAt: self path) modificationSeconds

src/FS-Core.package/FSReference.class/methodProperties.json

@@ -86,6 +86,7 @@
 		"isRelative" : "cwp 7/20/2009 09:25",
 		"isRoot" : "cwp 7/20/2009 09:26",
 		"makeRelative:" : "cwp 11/15/2009 00:26",
+		"modificationTime" : "jr 1/1/2019 17:17",
 		"moveTo:" : "CamilloBruni 1/23/2012 15:52",
 		"openWritable:" : "CamilloBruni 1/20/2012 13:24",
 		"parent" : "CamilloBruni 1/19/2012 12:45",