0.3.4

1. Modified scripts/build.sh to avoid limit of bash/sh shebang, which broke builds on hosts with long build paths.

0.3.3

1. Pinned Python pip dependencies to recent versions.
2. Pymongo 3.4 driver version - support for MongoDB 3.4.x.
3. Updated README.md for build-time dependencies.
4. CentOS/Redhat 6+7 amd64 release binaries and RPMs added to Github Release page.

0.3.2

1. Fixes DNS bug in 0.3.1

0.3.1 Roll up release

Change log:

**Version 0.2.0** (#23 - Commit Hash: f9a38600234107cd59f768a81f3e4890738ecce5):
      -Moved to "score-based" SECONDARY backup decision logic based on replication lag, priority and hidden state.
 **Version 0.2.1** (#24, #25, #26 and #27 - Commit Hash: 1b2fe08d2d97fdde27faa17b17d6083b1e4f5d62):
    -Fixes for 'optime' field on MongoDB 2.x.
    -DB.py moved to Common submodule.
    -Documentation updates for replset logic.
 **Version 0.2.2** (#33 - Commit Hash: dbffeb23b87b914a41e8cfd3ed2b2c53d08e420a):
    -Moved backup host decision logic up to top-level class so that oplog-tailer and dumper classes receive the same host info.
    -DB connections moved to top-level class and passed to other main-thread classes, reducing DB connections.
 **Version 0.3.0/1** (#34, #36, #38, #41, #42, #43, #44 - Commit Hash: ad8dfebc83fcd818f40b4a414cbad05fbdc0d9dd):
    -Functionality for both replica-set-based and traditional config server backups.
    -Significant code formatting fixes for Pep 8 code suggestions.