adding regression tests for "getting parents context" and also for double loop

case. Also refactored a bit pull request #91 . Also closes #90 and #87

Author: edi9999

coffee/docxgenTest.coffee

@@ -827,6 +827,17 @@ describe 'SubContent', () ->
 		xmlt=new DocXTemplater(content,{Tags:{name:"Henry"}}).applyTags()
 		expect(xmlt.content).toContain('Henry</w:t><w:t')
 
+describe 'getting parents context',()->
+	it 'should work with simple loops',()->
+		content= """{#loop}{name}{/loop}"""
+		xmlt=new DocXTemplater(content,{Tags:{loop:[1],name:"Henry"}}).applyTags()
+		expect(xmlt.content).toBe("Henry")
+
+	it 'should work with double loops',()->
+		content= """{#loop_first}{#loop_second}{name_inner} {name_outer}{/loop_second}{/loop_first}"""
+		xmlt=new DocXTemplater(content,{Tags:{loop_first:[1],loop_second:[{name_inner:"John"}],name_outer:"Henry"}}).applyTags()
+		expect(xmlt.content).toBe("John Henry")
+
 describe 'error messages', ()->
 	it 'should work with unclosed', ()->
 		content= """<w:t>{tag {age}</w:t>"""

coffee/scopeManager.coffee

@@ -7,25 +7,26 @@ module.exports=class ScopeManager
 		value = @getValue(tag)
 		type = typeof value
 		if inverted
-			return callback(@scopeList[@scopeList.length-1]) unless value
+			return callback(@scopeList[@num]) unless value
 			return if type == 'string'
 			if type == 'object' && value.length < 1
-				callback(@scopeList[@scopeList.length-1])
+				callback(@scopeList[@num])
 			return
 		return unless value?
 		if type == 'object'
 			for scope,i in value
 				callback(scope)
 		if value == true
-			callback(@scopeList[@scopeList.length-1])
-	getValue:(tag, scope=@scopeList[@scopeList.length-1])->
+			callback(@scopeList[@num])
+	getValue:(tag,@num=@scopeList.length-1)->
+		scope=@scopeList[@num]
 		parser=@parser(DocUtils.wordToUtf8(tag))
 		result=parser.get(scope)
+		if result==undefined and @num>0 then return @getValue(tag,@num-1)
+		result
 	getValueFromScope: (tag) ->
 		# search in the scopes (in reverse order) and keep the first defined value
-		result = undefined
-		for index in [@scopeList.length-1..0]
-			result or= @getValue(tag, @scopeList[index])
+		result = @getValue(tag)
 		if result?
 			if typeof result=='string'
 				@useTag(tag)

gulpfile.js

@@ -11,7 +11,7 @@ var server=null;
 
 try {
     var Blink1 = require('node-blink1');
-    var blink1 = new Blink1('20002C4A');
+    var blink1 = new Blink1();
 } catch (e) {
     blink1={
         fadeToRGB:function(){