implement get word vectors

[doodyparizada]

given a list of word indexes, return a list of word vectors.

request

GET /words/vector/ids=1,2,3,4,5

response

{
  "words": {
    "1": {"vector": [0.1,0.2,0.3,....]},
    "2": {"vector": [0.1,0.2,0.3,....]},
...
  }
}```

[doodyparizada]

example:

In [18]: requests.get('http://localhost:5000/words/vector', params={'ids': '1,2,3,4,5'}).json()
Out[18]:
{u'words': {
  u'1': {u'vector': [0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1]},
  u'2': {u'vector': [0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1]},
  u'3': {u'vector': [0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1]},
  u'4': {u'vector': [0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1]},
  u'5': {u'vector': [0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1]}}}