Exclude end timestamp from interval

Closes #2
Merge remote-tracking branch 'simark/master'

Closes #3
CodingStyle.md: add precision for C++11 init. list
Use [] instead of .at() in STL containers

Closes #8
Int -> Int32; UInt32 -> Uint32

Ref #10
Add `delo` namespace (`ex` for exceptions)

Closes #4
Simple32BitValueInterval.hpp: fix indent
Make interval implemented virtual methods protected
Implement 64-bit int/uint intervals

Closes #10
`TNULL` -> `NUL`
Add "testall.sh" script
testall.sh: fix #!
Merge remote-tracking branch 'simark/master'

Closes #11