v4.0.0

1. rewrite all syntax and testcases
2. add #switch syntax
3. add #multi-switch syntax
4. allow #if2 to nested with #if
5. #condition on #if and #case allow multi condition format

v3.1.0

1. fix known bugs

3.0.0.final release

The final release unless there are more good ideas or Golang build-in solution appears.
This is a full GP solution of Golang.
Support full work flow from a dummy-go-file to any numbers of real go file products.
It is as simple as using a command line "gogp" to finish everything.

gogp 2.0.2

1. Separate gogp cmd from core package
2. Enable both cmd and gocode to use gogp tool
3. Enable .gpg file at different path form .gp file, use key "GpFilePath" in gpg file to set the gp file path
4. Fix known bugs

gpg version1.0.0

gpg first release
1.generate go code from .gp file(s) through .gpg(ini) file(s)