some tests for cli parsing

parsing		--setting=NULL --ll-exception --optimize=3 --target=mbc --stagestats --output=CORE.setting.moarvm src/gen/m-CORE.setting
opts: 
setting: NULL
ll-exception: 1
optimize: 3
target: mbc
stagestats: 1
output: CORE.setting.moarvm
delim-opts: 
args: 
src/gen/m-CORE.setting
-----------
parsing		-h
opts: 
h: 1
delim-opts: 
args: 
-----------
parsing		-h -v --target foo -e bar -e baz
opts: 
h: 1
v: 1
target: foo
e: bar
delim-opts: 
args: 
-e
baz
-----------
parsing		-h --target foo -e baz
opts: 
h: 1
target: foo
e: baz
delim-opts: 
args: 
-----------
parsing		-c -e=foo -e=baz
opts: 
c: 1
e: foo
delim-opts: 
args: 
-e=baz
-----------
parsing		-E baz
===SORRY!===
Option -E is deprecated, please use -e.
would exit
opts: 
E: baz
delim-opts: 
args: 
-----------
parsing		--/show-config
opts: 
show-config: 0
delim-opts: 
args: 
-----------
parsing		-h ++BUG --wahatahaelajk=fooaurk ++BUG blargl ++/BUG ++/BUG
opts: 
h: 1
delim-opts: 
BUG:  --wahatahaelajk=fooaurk ++BUG blargl 
args: 
++/BUG
-----------
parsing     -/hv
===SORRY!===
Grouped short options cannot be negated.
would exit
opts:
h: 0
v: 0
delim-opts:
args:
-----------
parsing     --/target=foo
===SORRY!===
Options that take a string value cannot be negated.
would exit
opts: 
target: foo
delim-opts:
args: 
-----------