fixes mongosoup/rmongodb#34
rename rmongodb imports
create utils file for helper functions
fixes mongosoup/rmongodb#58
fixes mongosoup/rmongodb#40
remove extra *.o row
fixes mongosoup/rmongodb#59
flatten preforms unlisting without type coercion.
new line at the end
Merge pull request #60 from dselivanov/master

fixing issues from issuetracker, mongo.bson.to.list enhancement