已知函数f(x)=-(x-2m)(x+m+3)(其中m<-1),g(x)=2x-2.
(Ⅰ)若命题p:log2[g(x)]≥1是假命题,求x的取值范围;
(Ⅱ)若命题q:∀x∈(1,+∞),f(x)<0或g(x)<0为真命题,求m的取值范围.