Results 3 issues of Tan Yong Heng

missing package dependency to [RazorEngine](https://www.nuget.org/packages/RazorEngine/) when using postal outside of mvc. See #67.

As far as i understand, lucene will use up as much as memory as it can from the operating system, which is referred to as off-heap native memory. https://www.elastic.co/guide/en/elasticsearch/guide/current/heap-sizing.html https://discuss.elastic.co/t/understanding-off-heap-usage/97176...

is there a command flag to work with async methods instrumentation?