Parser: added support for tomorrow in ParseDate and correseponding test
cases
Parser: Restructure code, rename var/method and apply more SLAP in
ParseDate
Parser: Added support for sunday, saturday in ParseDate and
corresponding test cases
Parser: Added support for mon-fri, with more DOW aliases in ParseDate
and corresponding test cases
Parser: Renamed variables and methods in ParseDate
Parser: Added support for today in ParseDate and corresponding test
cases
Parser: Make improvement to getNumOfDay() in ParseDate
Merge remote-tracking branch 'origin/ParseDateDOW'