Pvapy

- added support for windows
- added ability to retrieve PvObject field as a string
- added NtNdArray and its related wrapper classes
- conda/pip package dependencies:
- EPICS BASE = 7.0.4
- BOOST = 1.70.0
- NUMPY > 1.15

- fixed issue with channel puts involving large integers (GitHub Issue 58)
- conda/pip package dependencies:
- EPICS BASE = 7.0.4
- BOOST = 1.70.0
- NUMPY > 1.15

- added support for connection callback
- conda/pip package dependencies:
- EPICS BASE = 7.0.3.1
- BOOST = 1.70.0
- NUMPY > 1.15

- added JSON support from pvaClientCPP (GitHub PR 52)
- fixed documentation build for older sphinx versions
- conda/pip package dependencies:
- EPICS BASE = 7.0.3.1
- BOOST = 1.70.0
- NUMPY > 1.15

- no source code changes
- conda/pip package dependencies:
- EPICS BASE = 7.0.3.1
- BOOST = 1.70.0
- NUMPY > 1.15

- added MultiChannel class, which allows simultaneous retrieval of PV data
from multiple channels
- added getName() method to the Channel class python interface
- fixed RPC request timeout issue when both RpcClient and RpcServer instances
use the same interpreter (GitHub PR 50)
- fixed PvaServer issue with removal of connected records (GitHub Issue 49,
PR 51)
- conda/pip package dependencies:
- EPICS BASE = 7.0.3
- BOOST = 1.70.0
- NUMPY > 1.15