Assert mutated field is a string before mutating it
cast start_index to an int when defined

removes edge case where fdTailer.current_index is initialized with
string type
Update zmq dependency to 2.3.x as 2.2.0 fails to build on node 0.10.0
Implement Redis input

Currently only supports channel and pattern_channel data_types
Add tail mode on file input to tail file with log rotate copy truncate
Close file before restart
Allow to configure node_version for tests, and fix deps for node 0.10.0
Fix http client under 0.10.0
Merge pull request #25 from ArtFireCom/fix-zeromq

Update zmq dependency to 2.3.x as 2.2.0 fails to build on node 0.10.0
Merge pull request #26 from ArtFireCom/feature-input-redis

Add support for Redis as input
Coding style
Coding style
Add output redis and refactor input
Typo
Merge pull request #24 from fenguin/master

fdTailer.current_index has string type when start_index is defined on file input
Add test on start_index
Better way to fix #24
Manage additional fields in Gelf format. Fix #23. Thx to purha
Merge pull request #20 from fasterize/assert_field_is_a_string

Assert mutated field is a string before mutating it
Use @vvo way for converting to string in #20