enable merge by default

add try get methods to datareader (fix RevenantX#160)

update nuspec

fix reliable channel (fix RevenantX#129)

Fix threadsafe poll events (fix RevenantX#131)

update nuspec.

Fix "recycle fix"

update nuspec and Unity3d litenetlib dlls.

update litenetlib in unity sample.

fix RevenantX#61 disconnection data.