Added version header

With all formats, there is now a 'X-Metobs-API-VERSION=1.0.0'
header with he results

metobsapi/modifyData.py

@@ -192,6 +192,7 @@ def asciiReturn(frame, sep, symbols, site, inst, epoch):
 
     output.write('# status: success<br># code: 200<br># message:<br>')
     output.write('# num_results: ' + str(len(dates)) + '<br>')
+    output.write('# X-Metobs-API-VERSION=1.0')
 
     data = list(frame.iterrows())
 
@@ -222,6 +223,7 @@ def jsonReturn(frame, symbols, site, inst, jsonFormat, epoch):
     output['message'] = ''
     output['code'] = 200
     output['num_results'] = str(len(list(frame.columns.values)))
+    output['X-Metobs-Api-Version'] = 1.0
 
     package = {}
 
@@ -281,6 +283,8 @@ def xmlReturn(site, inst, frame, symbols, sep, epoch):
     head.setAttribute('code', '200')
     head.setAttribute('message', '')
     head.setAttribute('num_results', str(len(timeStamps)))
+    head.setAttribute('X-Metobs-API-VERSION', 1.0)
+
     head.setAttribute('seperator', sep)
 
     doc.appendChild(head)

metobsapi/multiData.py

@@ -122,6 +122,7 @@ def asciiReturn(frame, sep, symbols, epoch):
 
     output.write('# status: success<br># code: 200<br># message:<br>')
     output.write('# num_results: ' + str(len(dates)) + '<br>')
+    output.write('# X-Metobs-API-VERSION=1.0')
 
     data = list(frame.iterrows())
 
@@ -154,6 +155,7 @@ def jsonReturn(frame, symbols, jsonFormat, epoch):
     frame = frame.transpose()
 
     output['num_results'] = str(len(list(frame.columns.values)))
+    output['# X-Metobs-API-VERSION'] = 1.0
 
     package = {}
 
@@ -213,6 +215,7 @@ def xmlReturn(frame, symbols, sep, epoch):
     head.setAttribute('code', '200')
     head.setAttribute('message', '')
     head.setAttribute('num_results', str(len(timeStamps)))
+    head.setAttribute('# X-Metobs-API-VERSION', 1.0)
     head.setAttribute('seperator', sep)
 
     doc.appendChild(head)