Resolve /bigobj error on appveyor
Resolve /bigobj error on appveyor

```
C:\projects\segs\Projects\CoX\Servers\MapServer\ScriptingEngine.cpp : fatal error C1128: number of sections exceeded object file format limit: compile with /bigobj [C:\projects\segs\build\Projects\CoX\Servers\MapServer\MapServer.vcxproj]
Command exited with code 1
```
solution via: https://github.com/nlohmann/json/issues/1114
nemerle/Segs,Segs/Segs,nemerle/Segs,Segs/Segs,Segs/Segs,broxen/Segs,broxen/Segs,Segs/Segs,broxen/Segs,broxen/Segs,nemerle/Segs,broxen/Segs,broxen/Segs,nemerle/Segs,nemerle/Segs,nemerle/Segs,nemerle/Segs,Segs/Segs,Segs/Segs,broxen/Segs,Segs/Segs