TQL spec update

==================

== by examples ==

# list accounts

> list a

sluttrin> list a

# list hypervisor

> list hv

sluttrin> list hv

# list vm

> list vm

sluttrin> list vm

# list vm of hypervisor toto

> list hv=toto&vm

sluttrin> list hv=toto&vm

# list vm chiche of hypervisor toto

> list hv=toto&vm=chiche

sluttrin> list hv=toto&vm=chiche

#list vm with 2 cpu

> list vm&cpu=2

sluttrin> list vm&cpu=2

#list vm with 2 cpu and mem > 10g

> list vm&cpu=2&mem>10g

sluttrin> list vm&cpu=2&mem>10g

#list hypervistor with 2cpu and vm with 2cpu

> list hv&cpu=2&vm&cpu=2

sluttrin> list hv&cpu=2&vm&cpu=2

#list hypervistor at least 2cpu and show tags pop and alloc

> list hv&cpu>=2$pop$alloc

sluttrin> list hv&cpu>=2$pop$alloc

#list first 10 vm

sluttrin> list vm^10

#list last 10 vm

sluttrin> list vm^:10

#list vm 

sluttrin> list vm^5:10

== Basics ==

- TQL build a list of objects from left to right

== separators of tags ==

& and between tags

$ show a tag

# limit output

^ limit output

== operators on tags ==

= strict equality